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Finding the Fourth Proportional to 134.33, 201.25 and 120.04

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Solution

The fourth proportional to 134.33, 201.25 and 120.04 is: 179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.33 : 201.25 = 120.04 : x
  2. Step 2: Convert to fraction form
    134.33/201.25 = 120.04/x
  3. Step 3: Cross multiply
    134.33x = 201.25 × 120.04
  4. Step 4: Simplify right side
    134.33x = 24,157.25
  5. Step 5: Solve for x
    x = 24,157.25/134.33
  6. Step 6: Final answer
    x = 179.83

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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.