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Finding the Fourth Proportional to 134.36, 201.38 and 104.04

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Solution

The fourth proportional to 134.36, 201.38 and 104.04 is: 155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.36 : 201.38 = 104.04 : x
  2. Step 2: Convert to fraction form
    134.36/201.38 = 104.04/x
  3. Step 3: Cross multiply
    134.36x = 201.38 × 104.04
  4. Step 4: Simplify right side
    134.36x = 20,951.58
  5. Step 5: Solve for x
    x = 20,951.58/134.36
  6. Step 6: Final answer
    x = 155.94

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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.