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Finding the Fourth Proportional to 267.22, 366.72 and 240.39

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Solution

The fourth proportional to 267.22, 366.72 and 240.39 is: 329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.22 : 366.72 = 240.39 : x
  2. Step 2: Convert to fraction form
    267.22/366.72 = 240.39/x
  3. Step 3: Cross multiply
    267.22x = 366.72 × 240.39
  4. Step 4: Simplify right side
    267.22x = 88,155.82
  5. Step 5: Solve for x
    x = 88,155.82/267.22
  6. Step 6: Final answer
    x = 329.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.