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Finding the Fourth Proportional to 133.36, 200.86 and 101.52

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Solution

The fourth proportional to 133.36, 200.86 and 101.52 is: 152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.36 : 200.86 = 101.52 : x
  2. Step 2: Convert to fraction form
    133.36/200.86 = 101.52/x
  3. Step 3: Cross multiply
    133.36x = 200.86 × 101.52
  4. Step 4: Simplify right side
    133.36x = 20,391.31
  5. Step 5: Solve for x
    x = 20,391.31/133.36
  6. Step 6: Final answer
    x = 152.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.