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Finding the Fourth Proportional to 529.16, 733.19 and 517.64

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Solution

The fourth proportional to 529.16, 733.19 and 517.64 is: 717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.16 : 733.19 = 517.64 : x
  2. Step 2: Convert to fraction form
    529.16/733.19 = 517.64/x
  3. Step 3: Cross multiply
    529.16x = 733.19 × 517.64
  4. Step 4: Simplify right side
    529.16x = 379,528.47
  5. Step 5: Solve for x
    x = 379,528.47/529.16
  6. Step 6: Final answer
    x = 717.23

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.