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Finding the Fourth Proportional to 332.29, 498.32 and 112.88

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Solution

The fourth proportional to 332.29, 498.32 and 112.88 is: 169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.29 : 498.32 = 112.88 : x
  2. Step 2: Convert to fraction form
    332.29/498.32 = 112.88/x
  3. Step 3: Cross multiply
    332.29x = 498.32 × 112.88
  4. Step 4: Simplify right side
    332.29x = 56,249.80
  5. Step 5: Solve for x
    x = 56,249.80/332.29
  6. Step 6: Final answer
    x = 169.28

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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.