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Finding the Fourth Proportional to 194.13, 267.92 and 136.03

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Solution

The fourth proportional to 194.13, 267.92 and 136.03 is: 187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.13 : 267.92 = 136.03 : x
  2. Step 2: Convert to fraction form
    194.13/267.92 = 136.03/x
  3. Step 3: Cross multiply
    194.13x = 267.92 × 136.03
  4. Step 4: Simplify right side
    194.13x = 36,445.16
  5. Step 5: Solve for x
    x = 36,445.16/194.13
  6. Step 6: Final answer
    x = 187.74

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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.