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Finding the Fourth Proportional to 249.92, 346.52 and 240.80

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Solution

The fourth proportional to 249.92, 346.52 and 240.80 is: 333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.92 : 346.52 = 240.80 : x
  2. Step 2: Convert to fraction form
    249.92/346.52 = 240.80/x
  3. Step 3: Cross multiply
    249.92x = 346.52 × 240.80
  4. Step 4: Simplify right side
    249.92x = 83,442.02
  5. Step 5: Solve for x
    x = 83,442.02/249.92
  6. Step 6: Final answer
    x = 333.87

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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.