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Finding the Fourth Proportional to 251.18, 377.59 and 249.97

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Solution

The fourth proportional to 251.18, 377.59 and 249.97 is: 375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.18 : 377.59 = 249.97 : x
  2. Step 2: Convert to fraction form
    251.18/377.59 = 249.97/x
  3. Step 3: Cross multiply
    251.18x = 377.59 × 249.97
  4. Step 4: Simplify right side
    251.18x = 94,385.08
  5. Step 5: Solve for x
    x = 94,385.08/251.18
  6. Step 6: Final answer
    x = 375.76

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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.