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Finding the Fourth Proportional to 624.27, 935.18 and 441.09

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Solution

The fourth proportional to 624.27, 935.18 and 441.09 is: 660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.27 : 935.18 = 441.09 : x
  2. Step 2: Convert to fraction form
    624.27/935.18 = 441.09/x
  3. Step 3: Cross multiply
    624.27x = 935.18 × 441.09
  4. Step 4: Simplify right side
    624.27x = 412,496.34
  5. Step 5: Solve for x
    x = 412,496.34/624.27
  6. Step 6: Final answer
    x = 660.77

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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.