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Finding the Fourth Proportional to 332.32, 457.49 and 249.29

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Solution

The fourth proportional to 332.32, 457.49 and 249.29 is: 343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.32 : 457.49 = 249.29 : x
  2. Step 2: Convert to fraction form
    332.32/457.49 = 249.29/x
  3. Step 3: Cross multiply
    332.32x = 457.49 × 249.29
  4. Step 4: Simplify right side
    332.32x = 114,045.08
  5. Step 5: Solve for x
    x = 114,045.08/332.32
  6. Step 6: Final answer
    x = 343.18

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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.