proportion

the quotient obtained when the magnitude of a part is divided by the magnitude of the whole

magnitude or extent; "a building of vast proportions"

balance among the parts of something

the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree; "an inordinate proportion of the book is given over to quotations"; "a dry martini has a large proportion of gin"

harmonious arrangement or relation of parts or elements within a whole (as in a design); "in all perfectly beautiful objects there is found the opposition of one part to another and a reciprocal balance"- John Ruskin

give pleasant proportions to; "harmonize a building with those surrounding it"

adjust in size relative to other things