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Finding the Fourth Proportional to 134.11, 199.99 and 132.89

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Solution

The fourth proportional to 134.11, 199.99 and 132.89 is: 198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.11 : 199.99 = 132.89 : x
  2. Step 2: Convert to fraction form
    134.11/199.99 = 132.89/x
  3. Step 3: Cross multiply
    134.11x = 199.99 × 132.89
  4. Step 4: Simplify right side
    134.11x = 26,576.01
  5. Step 5: Solve for x
    x = 26,576.01/134.11
  6. Step 6: Final answer
    x = 198.17

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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.