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Finding the Fourth Proportional to 234.73, 354.13 and 223.35

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Solution

The fourth proportional to 234.73, 354.13 and 223.35 is: 336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.73 : 354.13 = 223.35 : x
  2. Step 2: Convert to fraction form
    234.73/354.13 = 223.35/x
  3. Step 3: Cross multiply
    234.73x = 354.13 × 223.35
  4. Step 4: Simplify right side
    234.73x = 79,094.94
  5. Step 5: Solve for x
    x = 79,094.94/234.73
  6. Step 6: Final answer
    x = 336.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.