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Finding the Fourth Proportional to 235.89, 351.48 and 225.41

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Solution

The fourth proportional to 235.89, 351.48 and 225.41 is: 335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.89 : 351.48 = 225.41 : x
  2. Step 2: Convert to fraction form
    235.89/351.48 = 225.41/x
  3. Step 3: Cross multiply
    235.89x = 351.48 × 225.41
  4. Step 4: Simplify right side
    235.89x = 79,225.98
  5. Step 5: Solve for x
    x = 79,225.98/235.89
  6. Step 6: Final answer
    x = 335.87

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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.