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Finding the Fourth Proportional to 134.57, 201.65 and 96.13

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Solution

The fourth proportional to 134.57, 201.65 and 96.13 is: 144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.57 : 201.65 = 96.13 : x
  2. Step 2: Convert to fraction form
    134.57/201.65 = 96.13/x
  3. Step 3: Cross multiply
    134.57x = 201.65 × 96.13
  4. Step 4: Simplify right side
    134.57x = 19,383.61
  5. Step 5: Solve for x
    x = 19,383.61/134.57
  6. Step 6: Final answer
    x = 144.05

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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.