Finding the Fourth Proportional to 332.02, 458.21 and 207.75
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Solution
The fourth proportional to 332.02, 458.21 and 207.75 is: 286.71
Step by Step Solution
- Step 1: Write the proportion equation
332.02 : 458.21 = 207.75 : x - Step 2: Convert to fraction form
332.02/458.21 = 207.75/x - Step 3: Cross multiply
332.02x = 458.21 × 207.75 - Step 4: Simplify right side
332.02x = 95,193.13 - Step 5: Solve for x
x = 95,193.13/332.02 - Step 6: Final answer
x = 286.71
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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.