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Finding the Fourth Proportional to 632.62, 948.76 and 267.42

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Solution

The fourth proportional to 632.62, 948.76 and 267.42 is: 401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.62 : 948.76 = 267.42 : x
  2. Step 2: Convert to fraction form
    632.62/948.76 = 267.42/x
  3. Step 3: Cross multiply
    632.62x = 948.76 × 267.42
  4. Step 4: Simplify right side
    632.62x = 253,717.40
  5. Step 5: Solve for x
    x = 253,717.40/632.62
  6. Step 6: Final answer
    x = 401.06

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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.