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Finding the Fourth Proportional to 251.88, 375.75 and 234.42

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Solution

The fourth proportional to 251.88, 375.75 and 234.42 is: 349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.88 : 375.75 = 234.42 : x
  2. Step 2: Convert to fraction form
    251.88/375.75 = 234.42/x
  3. Step 3: Cross multiply
    251.88x = 375.75 × 234.42
  4. Step 4: Simplify right side
    251.88x = 88,083.32
  5. Step 5: Solve for x
    x = 88,083.32/251.88
  6. Step 6: Final answer
    x = 349.70

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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.