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Finding the Fourth Proportional to 183.18, 252.82 and 134.20

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Solution

The fourth proportional to 183.18, 252.82 and 134.20 is: 185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.18 : 252.82 = 134.20 : x
  2. Step 2: Convert to fraction form
    183.18/252.82 = 134.20/x
  3. Step 3: Cross multiply
    183.18x = 252.82 × 134.20
  4. Step 4: Simplify right side
    183.18x = 33,928.44
  5. Step 5: Solve for x
    x = 33,928.44/183.18
  6. Step 6: Final answer
    x = 185.22

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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.