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Finding the Fourth Proportional to 183.32, 252.82 and 136.84

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Solution

The fourth proportional to 183.32, 252.82 and 136.84 is: 188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.32 : 252.82 = 136.84 : x
  2. Step 2: Convert to fraction form
    183.32/252.82 = 136.84/x
  3. Step 3: Cross multiply
    183.32x = 252.82 × 136.84
  4. Step 4: Simplify right side
    183.32x = 34,595.89
  5. Step 5: Solve for x
    x = 34,595.89/183.32
  6. Step 6: Final answer
    x = 188.72

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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.