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Finding the Fourth Proportional to 267.29, 368.85 and 150.85

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Solution

The fourth proportional to 267.29, 368.85 and 150.85 is: 208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.29 : 368.85 = 150.85 : x
  2. Step 2: Convert to fraction form
    267.29/368.85 = 150.85/x
  3. Step 3: Cross multiply
    267.29x = 368.85 × 150.85
  4. Step 4: Simplify right side
    267.29x = 55,640.10
  5. Step 5: Solve for x
    x = 55,640.10/267.29
  6. Step 6: Final answer
    x = 208.17

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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.