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Finding the Fourth Proportional to 232.34, 346.61 and 225.72

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Solution

The fourth proportional to 232.34, 346.61 and 225.72 is: 336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.34 : 346.61 = 225.72 : x
  2. Step 2: Convert to fraction form
    232.34/346.61 = 225.72/x
  3. Step 3: Cross multiply
    232.34x = 346.61 × 225.72
  4. Step 4: Simplify right side
    232.34x = 78,237.37
  5. Step 5: Solve for x
    x = 78,237.37/232.34
  6. Step 6: Final answer
    x = 336.74

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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.