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Finding the Fourth Proportional to 225.88, 336.32 and 224.80

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Solution

The fourth proportional to 225.88, 336.32 and 224.80 is: 334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.88 : 336.32 = 224.80 : x
  2. Step 2: Convert to fraction form
    225.88/336.32 = 224.80/x
  3. Step 3: Cross multiply
    225.88x = 336.32 × 224.80
  4. Step 4: Simplify right side
    225.88x = 75,604.74
  5. Step 5: Solve for x
    x = 75,604.74/225.88
  6. Step 6: Final answer
    x = 334.71

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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.