Alcib 105d πρὸς λόγον

I have found it in LS to mean ‘in proportion’. but it does not fit the context here: ‘τί δὴ οὖν, ὦ Σώκρατες, τοῦτ᾽ ἐστί σοι πρὸς λόγον;

ok, it should be taken plainly as it is: ‘related to the discussion’.