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Finding the Fourth Proportional to 251.64, 374.85 and 237.96

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Solution

The fourth proportional to 251.64, 374.85 and 237.96 is: 354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.64 : 374.85 = 237.96 : x
  2. Step 2: Convert to fraction form
    251.64/374.85 = 237.96/x
  3. Step 3: Cross multiply
    251.64x = 374.85 × 237.96
  4. Step 4: Simplify right side
    251.64x = 89,199.31
  5. Step 5: Solve for x
    x = 89,199.31/251.64
  6. Step 6: Final answer
    x = 354.47

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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.