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Finding the Fourth Proportional to 185.88, 279.87 and 134.85

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Solution

The fourth proportional to 185.88, 279.87 and 134.85 is: 203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.88 : 279.87 = 134.85 : x
  2. Step 2: Convert to fraction form
    185.88/279.87 = 134.85/x
  3. Step 3: Cross multiply
    185.88x = 279.87 × 134.85
  4. Step 4: Simplify right side
    185.88x = 37,740.47
  5. Step 5: Solve for x
    x = 37,740.47/185.88
  6. Step 6: Final answer
    x = 203.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.