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Finding the Fourth Proportional to 134.32, 202.32 and 126.60

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Solution

The fourth proportional to 134.32, 202.32 and 126.60 is: 190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.32 : 202.32 = 126.60 : x
  2. Step 2: Convert to fraction form
    134.32/202.32 = 126.60/x
  3. Step 3: Cross multiply
    134.32x = 202.32 × 126.60
  4. Step 4: Simplify right side
    134.32x = 25,613.71
  5. Step 5: Solve for x
    x = 25,613.71/134.32
  6. Step 6: Final answer
    x = 190.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.