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Finding the Fourth Proportional to 133.44, 199.62 and 110.22

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Solution

The fourth proportional to 133.44, 199.62 and 110.22 is: 164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.44 : 199.62 = 110.22 : x
  2. Step 2: Convert to fraction form
    133.44/199.62 = 110.22/x
  3. Step 3: Cross multiply
    133.44x = 199.62 × 110.22
  4. Step 4: Simplify right side
    133.44x = 22,002.12
  5. Step 5: Solve for x
    x = 22,002.12/133.44
  6. Step 6: Final answer
    x = 164.88

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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.