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Finding the Fourth Proportional to 227.10, 338.36 and 223.93

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Solution

The fourth proportional to 227.10, 338.36 and 223.93 is: 333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.10 : 338.36 = 223.93 : x
  2. Step 2: Convert to fraction form
    227.10/338.36 = 223.93/x
  3. Step 3: Cross multiply
    227.10x = 338.36 × 223.93
  4. Step 4: Simplify right side
    227.10x = 75,766.99
  5. Step 5: Solve for x
    x = 75,766.99/227.10
  6. Step 6: Final answer
    x = 333.63

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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.