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Finding the Fourth Proportional to 134.48, 202.60 and 132.80

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Solution

The fourth proportional to 134.48, 202.60 and 132.80 is: 200.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.48 : 202.60 = 132.80 : x
  2. Step 2: Convert to fraction form
    134.48/202.60 = 132.80/x
  3. Step 3: Cross multiply
    134.48x = 202.60 × 132.80
  4. Step 4: Simplify right side
    134.48x = 26,905.62
  5. Step 5: Solve for x
    x = 26,905.62/134.48
  6. Step 6: Final answer
    x = 200.07

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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.