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Finding the Fourth Proportional to 223.08, 334.57 and 107.46

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Solution

The fourth proportional to 223.08, 334.57 and 107.46 is: 161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.08 : 334.57 = 107.46 : x
  2. Step 2: Convert to fraction form
    223.08/334.57 = 107.46/x
  3. Step 3: Cross multiply
    223.08x = 334.57 × 107.46
  4. Step 4: Simplify right side
    223.08x = 35,951.22
  5. Step 5: Solve for x
    x = 35,951.22/223.08
  6. Step 6: Final answer
    x = 161.16

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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.