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Finding the Fourth Proportional to 223.46, 333.55 and 197.54

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Solution

The fourth proportional to 223.46, 333.55 and 197.54 is: 294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.46 : 333.55 = 197.54 : x
  2. Step 2: Convert to fraction form
    223.46/333.55 = 197.54/x
  3. Step 3: Cross multiply
    223.46x = 333.55 × 197.54
  4. Step 4: Simplify right side
    223.46x = 65,889.30
  5. Step 5: Solve for x
    x = 65,889.30/223.46
  6. Step 6: Final answer
    x = 294.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.