プログレッシブ和英中辞典(第4版)の解説
わりあい【割合】
❶〔比率〕a ratio
男生徒と女生徒の割合は４対３である
The ratio of boy to girl students is 4 to 3.
食費と全支出の割合はどの位ですか
What percentage [proportion] of the total expenditure is taken up by food costs?
１時間４キロの割合で歩いた
We walked at 「the rate [a speed] of four kilometers per hour.
今月は10人に１人の割合で風邪にかかった
One in ten persons caught a cold this month.
酢と油を１と２の割合で混ぜなさい
Mix two parts oil to one part vinegar.
❷〔百分率〕(a) percentage
この大学における女子学生の割合はどのくらいですか
What is the percentage of female students at this university?
❸〔比較的〕comparatively
今日は割合早く来た
He arrived comparatively early today.
彼は割合背が高い
He is fairly [rather] tall.
宿題が割合早くできた
I finished my homework sooner than I expected.
彼女はピアノを割合上手にひいた
She played the piano very well, considering.