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Finding the Fourth Proportional to 267.15, 368.65 and 150.71

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Solution

The fourth proportional to 267.15, 368.65 and 150.71 is: 207.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.15 : 368.65 = 150.71 : x
  2. Step 2: Convert to fraction form
    267.15/368.65 = 150.71/x
  3. Step 3: Cross multiply
    267.15x = 368.65 × 150.71
  4. Step 4: Simplify right side
    267.15x = 55,558.97
  5. Step 5: Solve for x
    x = 55,558.97/267.15
  6. Step 6: Final answer
    x = 207.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.