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Finding the Fourth Proportional to 525.43, 724.57 and 432.08

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Solution

The fourth proportional to 525.43, 724.57 and 432.08 is: 595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.43 : 724.57 = 432.08 : x
  2. Step 2: Convert to fraction form
    525.43/724.57 = 432.08/x
  3. Step 3: Cross multiply
    525.43x = 724.57 × 432.08
  4. Step 4: Simplify right side
    525.43x = 313,067.50
  5. Step 5: Solve for x
    x = 313,067.50/525.43
  6. Step 6: Final answer
    x = 595.83

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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.