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Finding the Fourth Proportional to 223.26, 334.67 and 125.81

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Solution

The fourth proportional to 223.26, 334.67 and 125.81 is: 188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.26 : 334.67 = 125.81 : x
  2. Step 2: Convert to fraction form
    223.26/334.67 = 125.81/x
  3. Step 3: Cross multiply
    223.26x = 334.67 × 125.81
  4. Step 4: Simplify right side
    223.26x = 42,104.83
  5. Step 5: Solve for x
    x = 42,104.83/223.26
  6. Step 6: Final answer
    x = 188.59

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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.