\[\boxed{\mathbf{378}\mathbf{.}}\]
\[\frac{1}{5} < \frac{x}{30} < \frac{1}{3}\]
\[\frac{6}{30} < \frac{x}{30} < \frac{10}{30}\]
\[x = 7;8;9.\]
\[Дроби:\]
\[\frac{7}{30};\ \frac{8}{30};\frac{9}{30}.\]