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Finding the Fourth Proportional to 134.01, 199.64 and 132.57

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Solution

The fourth proportional to 134.01, 199.64 and 132.57 is: 197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.01 : 199.64 = 132.57 : x
  2. Step 2: Convert to fraction form
    134.01/199.64 = 132.57/x
  3. Step 3: Cross multiply
    134.01x = 199.64 × 132.57
  4. Step 4: Simplify right side
    134.01x = 26,466.61
  5. Step 5: Solve for x
    x = 26,466.61/134.01
  6. Step 6: Final answer
    x = 197.50

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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.