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Finding the Fourth Proportional to 134.15, 185.22 and 94.82

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Solution

The fourth proportional to 134.15, 185.22 and 94.82 is: 130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.15 : 185.22 = 94.82 : x
  2. Step 2: Convert to fraction form
    134.15/185.22 = 94.82/x
  3. Step 3: Cross multiply
    134.15x = 185.22 × 94.82
  4. Step 4: Simplify right side
    134.15x = 17,562.56
  5. Step 5: Solve for x
    x = 17,562.56/134.15
  6. Step 6: Final answer
    x = 130.92

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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.