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Finding the Fourth Proportional to 232.53, 347.91 and 203.42

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Solution

The fourth proportional to 232.53, 347.91 and 203.42 is: 304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.53 : 347.91 = 203.42 : x
  2. Step 2: Convert to fraction form
    232.53/347.91 = 203.42/x
  3. Step 3: Cross multiply
    232.53x = 347.91 × 203.42
  4. Step 4: Simplify right side
    232.53x = 70,771.96
  5. Step 5: Solve for x
    x = 70,771.96/232.53
  6. Step 6: Final answer
    x = 304.36

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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.