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Finding the Fourth Proportional to 230.82, 347.39 and 173.34

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Solution

The fourth proportional to 230.82, 347.39 and 173.34 is: 260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.82 : 347.39 = 173.34 : x
  2. Step 2: Convert to fraction form
    230.82/347.39 = 173.34/x
  3. Step 3: Cross multiply
    230.82x = 347.39 × 173.34
  4. Step 4: Simplify right side
    230.82x = 60,215.72
  5. Step 5: Solve for x
    x = 60,215.72/230.82
  6. Step 6: Final answer
    x = 260.88

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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.