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Finding the Fourth Proportional to 224.11, 335.65 and 163.09

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Solution

The fourth proportional to 224.11, 335.65 and 163.09 is: 244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.11 : 335.65 = 163.09 : x
  2. Step 2: Convert to fraction form
    224.11/335.65 = 163.09/x
  3. Step 3: Cross multiply
    224.11x = 335.65 × 163.09
  4. Step 4: Simplify right side
    224.11x = 54,741.16
  5. Step 5: Solve for x
    x = 54,741.16/224.11
  6. Step 6: Final answer
    x = 244.26

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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.