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Finding the Fourth Proportional to 135.29, 187.95 and 134.02

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Solution

The fourth proportional to 135.29, 187.95 and 134.02 is: 186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.29 : 187.95 = 134.02 : x
  2. Step 2: Convert to fraction form
    135.29/187.95 = 134.02/x
  3. Step 3: Cross multiply
    135.29x = 187.95 × 134.02
  4. Step 4: Simplify right side
    135.29x = 25,188.39
  5. Step 5: Solve for x
    x = 25,188.39/135.29
  6. Step 6: Final answer
    x = 186.19

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.