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Finding the Fourth Proportional to 193.62, 267.10 and 141.24

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Solution

The fourth proportional to 193.62, 267.10 and 141.24 is: 194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.62 : 267.10 = 141.24 : x
  2. Step 2: Convert to fraction form
    193.62/267.10 = 141.24/x
  3. Step 3: Cross multiply
    193.62x = 267.10 × 141.24
  4. Step 4: Simplify right side
    193.62x = 37,725.85
  5. Step 5: Solve for x
    x = 37,725.85/193.62
  6. Step 6: Final answer
    x = 194.84

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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.