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Finding the Fourth Proportional to 249.39, 342.92 and 241.70

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Solution

The fourth proportional to 249.39, 342.92 and 241.70 is: 332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.39 : 342.92 = 241.70 : x
  2. Step 2: Convert to fraction form
    249.39/342.92 = 241.70/x
  3. Step 3: Cross multiply
    249.39x = 342.92 × 241.70
  4. Step 4: Simplify right side
    249.39x = 82,882.05
  5. Step 5: Solve for x
    x = 82,882.05/249.39
  6. Step 6: Final answer
    x = 332.35

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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.