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Finding the Fourth Proportional to 135.53, 185.42 and 134.96

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Solution

The fourth proportional to 135.53, 185.42 and 134.96 is: 184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.53 : 185.42 = 134.96 : x
  2. Step 2: Convert to fraction form
    135.53/185.42 = 134.96/x
  3. Step 3: Cross multiply
    135.53x = 185.42 × 134.96
  4. Step 4: Simplify right side
    135.53x = 25,023.69
  5. Step 5: Solve for x
    x = 25,023.69/135.53
  6. Step 6: Final answer
    x = 184.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.