Example 14 Write the scale 1 cm to 1 m in ratio form. 4.8 m = 4.8 × 100 = 480 cm Then, convert by scaling 520 cm × 1 ÷ 100 = 5.2 cm 480 cm × 1 ÷ 100 = 4.8 cm So we have to draw a room of 5.2 x 4.8 cm.

If the scale is 1 : x, then multiply the map distance by x to calculate the actual distance. cm (centimeter) google_ad_type="text_image"; The scale is 1:250. 1⁄4 in = 1 ÷ 4 = 0.25 in. A ratio is used in scale drawings of maps and buildings. Remember, to fully explore a ratio, you need to use a whole number, so try to avoid creating any decimals when you are transforming units to match.