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Finding the Fourth Proportional to 552.30, 757.79 and 547.14

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Solution

The fourth proportional to 552.30, 757.79 and 547.14 is: 750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.30 : 757.79 = 547.14 : x
  2. Step 2: Convert to fraction form
    552.30/757.79 = 547.14/x
  3. Step 3: Cross multiply
    552.30x = 757.79 × 547.14
  4. Step 4: Simplify right side
    552.30x = 414,613.43
  5. Step 5: Solve for x
    x = 414,613.43/552.30
  6. Step 6: Final answer
    x = 750.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.