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Finding the Fourth Proportional to 632.58, 948.90 and 247.92

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Solution

The fourth proportional to 632.58, 948.90 and 247.92 is: 371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.58 : 948.90 = 247.92 : x
  2. Step 2: Convert to fraction form
    632.58/948.90 = 247.92/x
  3. Step 3: Cross multiply
    632.58x = 948.90 × 247.92
  4. Step 4: Simplify right side
    632.58x = 235,251.29
  5. Step 5: Solve for x
    x = 235,251.29/632.58
  6. Step 6: Final answer
    x = 371.89

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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.