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Finding the Fourth Proportional to 136.00, 202.88 and 132.28

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Solution

The fourth proportional to 136.00, 202.88 and 132.28 is: 197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.00 : 202.88 = 132.28 : x
  2. Step 2: Convert to fraction form
    136.00/202.88 = 132.28/x
  3. Step 3: Cross multiply
    136.00x = 202.88 × 132.28
  4. Step 4: Simplify right side
    136.00x = 26,836.79
  5. Step 5: Solve for x
    x = 26,836.79/136.00
  6. Step 6: Final answer
    x = 197.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.