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Finding the Fourth Proportional to 844.76, 1,267.14 and 267.52

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Solution

The fourth proportional to 844.76, 1,267.14 and 267.52 is: 401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.76 : 1,267.14 = 267.52 : x
  2. Step 2: Convert to fraction form
    844.76/1,267.14 = 267.52/x
  3. Step 3: Cross multiply
    844.76x = 1,267.14 × 267.52
  4. Step 4: Simplify right side
    844.76x = 338,985.29
  5. Step 5: Solve for x
    x = 338,985.29/844.76
  6. Step 6: Final answer
    x = 401.28

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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.