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Finding the Fourth Proportional to 269.60, 367.04 and 267.20

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Solution

The fourth proportional to 269.60, 367.04 and 267.20 is: 363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.60 : 367.04 = 267.20 : x
  2. Step 2: Convert to fraction form
    269.60/367.04 = 267.20/x
  3. Step 3: Cross multiply
    269.60x = 367.04 × 267.20
  4. Step 4: Simplify right side
    269.60x = 98,073.09
  5. Step 5: Solve for x
    x = 98,073.09/269.60
  6. Step 6: Final answer
    x = 363.77

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.