proportional

IPA: prʌpˈɔrʃʌnʌɫ

(mathematics) At a constant ratio (to). Two magnitudes (numbers) are said to be proportional if the second varies in a direct relation arithmetically to the first. Symbol: ∝.
(chiefly US) In proportion (to), proportionate.
Of a typeface, having characters with natural (non-uniform) width (in contrast to monospace typefaces).

Examples of "proportional" in Sentences

IRV is a band-aid, trying to fix fatal flaws in proportional representation.
T, sea level rise would also contain a term proportional to the time derivative of temperature, dT/dt.
But what I really recommend is to watch the video that first got me interested in proportional representation.
That style uses the traditional three periods (or, in proportional typefaces, one ellipsis mark) when a quotation is missing a phrase from within a sentence.
In fact, states that want to devolve some power to counties and municipalities are nonetheless constitutionally required to maintain proportional representation at the state level.
Now, with laser and inkjet printers setting type in proportional fonts, we can go back to using em dashes as they were meant to be used -- but people are still typing double hyphens.
I know that the Liberal Democrats want STV, but now, I think that as the Make My Vote Count campaign rightly recognises, any change to the system that makes it slightly more proportional is worth voting for.