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Finding the Fourth Proportional to 223, 334.41 and 125.49

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Solution

The fourth proportional to 223, 334.41 and 125.49 is: 188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223 : 334.41 = 125.49 : x
  2. Step 2: Convert to fraction form
    223/334.41 = 125.49/x
  3. Step 3: Cross multiply
    223x = 334.41 × 125.49
  4. Step 4: Simplify right side
    223x = 41,965.11
  5. Step 5: Solve for x
    x = 41,965.11/223
  6. Step 6: Final answer
    x = 188.18

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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.