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Finding the Fourth Proportional to 249.85, 373.92 and 158.59

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Solution

The fourth proportional to 249.85, 373.92 and 158.59 is: 237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.85 : 373.92 = 158.59 : x
  2. Step 2: Convert to fraction form
    249.85/373.92 = 158.59/x
  3. Step 3: Cross multiply
    249.85x = 373.92 × 158.59
  4. Step 4: Simplify right side
    249.85x = 59,299.97
  5. Step 5: Solve for x
    x = 59,299.97/249.85
  6. Step 6: Final answer
    x = 237.34

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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.