Finding the Fourth Proportional to 370.97, 555.92 and 272.70
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Solution
The fourth proportional to 370.97, 555.92 and 272.70 is: 408.65
Step by Step Solution
- Step 1: Write the proportion equation
370.97 : 555.92 = 272.70 : x - Step 2: Convert to fraction form
370.97/555.92 = 272.70/x - Step 3: Cross multiply
370.97x = 555.92 × 272.70 - Step 4: Simplify right side
370.97x = 151,595.24 - Step 5: Solve for x
x = 151,595.24/370.97 - Step 6: Final answer
x = 408.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.