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Finding the Fourth Proportional to 624.12, 936.60 and 234.48

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Solution

The fourth proportional to 624.12, 936.60 and 234.48 is: 351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.12 : 936.60 = 234.48 : x
  2. Step 2: Convert to fraction form
    624.12/936.60 = 234.48/x
  3. Step 3: Cross multiply
    624.12x = 936.60 × 234.48
  4. Step 4: Simplify right side
    624.12x = 219,613.97
  5. Step 5: Solve for x
    x = 219,613.97/624.12
  6. Step 6: Final answer
    x = 351.88

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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.