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Finding the Fourth Proportional to 251.96, 375.71 and 234.63

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Solution

The fourth proportional to 251.96, 375.71 and 234.63 is: 349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.96 : 375.71 = 234.63 : x
  2. Step 2: Convert to fraction form
    251.96/375.71 = 234.63/x
  3. Step 3: Cross multiply
    251.96x = 375.71 × 234.63
  4. Step 4: Simplify right side
    251.96x = 88,151.66
  5. Step 5: Solve for x
    x = 88,151.66/251.96
  6. Step 6: Final answer
    x = 349.87

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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.