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Finding the Fourth Proportional to 134.12, 185.88 and 131.69

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Solution

The fourth proportional to 134.12, 185.88 and 131.69 is: 182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.12 : 185.88 = 131.69 : x
  2. Step 2: Convert to fraction form
    134.12/185.88 = 131.69/x
  3. Step 3: Cross multiply
    134.12x = 185.88 × 131.69
  4. Step 4: Simplify right side
    134.12x = 24,479.50
  5. Step 5: Solve for x
    x = 24,479.50/134.12
  6. Step 6: Final answer
    x = 182.52

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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.