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Finding the Fourth Proportional to 249.59, 372.06 and 235.91

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Solution

The fourth proportional to 249.59, 372.06 and 235.91 is: 351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.59 : 372.06 = 235.91 : x
  2. Step 2: Convert to fraction form
    249.59/372.06 = 235.91/x
  3. Step 3: Cross multiply
    249.59x = 372.06 × 235.91
  4. Step 4: Simplify right side
    249.59x = 87,769.93
  5. Step 5: Solve for x
    x = 87,769.93/249.59
  6. Step 6: Final answer
    x = 351.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.