Finding the Fourth Proportional to 197.73, 272.79 and 118.99
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Solution
The fourth proportional to 197.73, 272.79 and 118.99 is: 164.16
Step by Step Solution
- Step 1: Write the proportion equation
197.73 : 272.79 = 118.99 : x - Step 2: Convert to fraction form
197.73/272.79 = 118.99/x - Step 3: Cross multiply
197.73x = 272.79 × 118.99 - Step 4: Simplify right side
197.73x = 32,458.60 - Step 5: Solve for x
x = 32,458.60/197.73 - Step 6: Final answer
x = 164.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.