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Finding the Fourth Proportional to 134.30, 202.53 and 132.48

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Solution

The fourth proportional to 134.30, 202.53 and 132.48 is: 199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.30 : 202.53 = 132.48 : x
  2. Step 2: Convert to fraction form
    134.30/202.53 = 132.48/x
  3. Step 3: Cross multiply
    134.30x = 202.53 × 132.48
  4. Step 4: Simplify right side
    134.30x = 26,830.67
  5. Step 5: Solve for x
    x = 26,830.67/134.30
  6. Step 6: Final answer
    x = 199.78

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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.