Finding the Fourth Proportional to 398.71, 550.26 and 232.97
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Solution
The fourth proportional to 398.71, 550.26 and 232.97 is: 321.52
Step by Step Solution
- Step 1: Write the proportion equation
398.71 : 550.26 = 232.97 : x - Step 2: Convert to fraction form
398.71/550.26 = 232.97/x - Step 3: Cross multiply
398.71x = 550.26 × 232.97 - Step 4: Simplify right side
398.71x = 128,192.91 - Step 5: Solve for x
x = 128,192.91/398.71 - Step 6: Final answer
x = 321.52
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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.