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Finding the Fourth Proportional to 517.29, 713.17 and 375.37

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Solution

The fourth proportional to 517.29, 713.17 and 375.37 is: 517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    517.29 : 713.17 = 375.37 : x
  2. Step 2: Convert to fraction form
    517.29/713.17 = 375.37/x
  3. Step 3: Cross multiply
    517.29x = 713.17 × 375.37
  4. Step 4: Simplify right side
    517.29x = 267,697.18
  5. Step 5: Solve for x
    x = 267,697.18/517.29
  6. Step 6: Final answer
    x = 517.50

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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.