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Finding the Fourth Proportional to 235.57, 350.27 and 225.85

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Solution

The fourth proportional to 235.57, 350.27 and 225.85 is: 335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.57 : 350.27 = 225.85 : x
  2. Step 2: Convert to fraction form
    235.57/350.27 = 225.85/x
  3. Step 3: Cross multiply
    235.57x = 350.27 × 225.85
  4. Step 4: Simplify right side
    235.57x = 79,108.48
  5. Step 5: Solve for x
    x = 79,108.48/235.57
  6. Step 6: Final answer
    x = 335.82

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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.