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Finding the Fourth Proportional to 729.43, 1,092.50 and 566.62

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Solution

The fourth proportional to 729.43, 1,092.50 and 566.62 is: 848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.43 : 1,092.50 = 566.62 : x
  2. Step 2: Convert to fraction form
    729.43/1,092.50 = 566.62/x
  3. Step 3: Cross multiply
    729.43x = 1,092.50 × 566.62
  4. Step 4: Simplify right side
    729.43x = 619,032.35
  5. Step 5: Solve for x
    x = 619,032.35/729.43
  6. Step 6: Final answer
    x = 848.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.