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Finding the Fourth Proportional to 134.24, 185.46 and 133.16

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Solution

The fourth proportional to 134.24, 185.46 and 133.16 is: 183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.24 : 185.46 = 133.16 : x
  2. Step 2: Convert to fraction form
    134.24/185.46 = 133.16/x
  3. Step 3: Cross multiply
    134.24x = 185.46 × 133.16
  4. Step 4: Simplify right side
    134.24x = 24,695.85
  5. Step 5: Solve for x
    x = 24,695.85/134.24
  6. Step 6: Final answer
    x = 183.97

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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.