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Finding the Fourth Proportional to 223.75, 334.68 and 162.73

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Solution

The fourth proportional to 223.75, 334.68 and 162.73 is: 243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.75 : 334.68 = 162.73 : x
  2. Step 2: Convert to fraction form
    223.75/334.68 = 162.73/x
  3. Step 3: Cross multiply
    223.75x = 334.68 × 162.73
  4. Step 4: Simplify right side
    223.75x = 54,462.48
  5. Step 5: Solve for x
    x = 54,462.48/223.75
  6. Step 6: Final answer
    x = 243.41

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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.