Finding the Fourth Proportional to 657.73, 907.68 and 362.99
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Solution
The fourth proportional to 657.73, 907.68 and 362.99 is: 500.93
Step by Step Solution
- Step 1: Write the proportion equation
657.73 : 907.68 = 362.99 : x - Step 2: Convert to fraction form
657.73/907.68 = 362.99/x - Step 3: Cross multiply
657.73x = 907.68 × 362.99 - Step 4: Simplify right side
657.73x = 329,475.08 - Step 5: Solve for x
x = 329,475.08/657.73 - Step 6: Final answer
x = 500.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.