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Finding the Fourth Proportional to 416.60, 624.48 and 234.08

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Solution

The fourth proportional to 416.60, 624.48 and 234.08 is: 350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.60 : 624.48 = 234.08 : x
  2. Step 2: Convert to fraction form
    416.60/624.48 = 234.08/x
  3. Step 3: Cross multiply
    416.60x = 624.48 × 234.08
  4. Step 4: Simplify right side
    416.60x = 146,178.28
  5. Step 5: Solve for x
    x = 146,178.28/416.60
  6. Step 6: Final answer
    x = 350.88

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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.