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Finding the Fourth Proportional to 137.44, 205.96 and 134.04

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Solution

The fourth proportional to 137.44, 205.96 and 134.04 is: 200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137.44 : 205.96 = 134.04 : x
  2. Step 2: Convert to fraction form
    137.44/205.96 = 134.04/x
  3. Step 3: Cross multiply
    137.44x = 205.96 × 134.04
  4. Step 4: Simplify right side
    137.44x = 27,606.72
  5. Step 5: Solve for x
    x = 27,606.72/137.44
  6. Step 6: Final answer
    x = 200.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.