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Finding the Fourth Proportional to 134.26, 201.41 and 126.02

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Solution

The fourth proportional to 134.26, 201.41 and 126.02 is: 189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.26 : 201.41 = 126.02 : x
  2. Step 2: Convert to fraction form
    134.26/201.41 = 126.02/x
  3. Step 3: Cross multiply
    134.26x = 201.41 × 126.02
  4. Step 4: Simplify right side
    134.26x = 25,381.69
  5. Step 5: Solve for x
    x = 25,381.69/134.26
  6. Step 6: Final answer
    x = 189.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.