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Finding the Fourth Proportional to 632.41, 948.92 and 267.91

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Solution

The fourth proportional to 632.41, 948.92 and 267.91 is: 401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.41 : 948.92 = 267.91 : x
  2. Step 2: Convert to fraction form
    632.41/948.92 = 267.91/x
  3. Step 3: Cross multiply
    632.41x = 948.92 × 267.91
  4. Step 4: Simplify right side
    632.41x = 254,221.45
  5. Step 5: Solve for x
    x = 254,221.45/632.41
  6. Step 6: Final answer
    x = 401.99

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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.