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Finding the Fourth Proportional to 227.73, 310.22 and 223.28

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Solution

The fourth proportional to 227.73, 310.22 and 223.28 is: 304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.73 : 310.22 = 223.28 : x
  2. Step 2: Convert to fraction form
    227.73/310.22 = 223.28/x
  3. Step 3: Cross multiply
    227.73x = 310.22 × 223.28
  4. Step 4: Simplify right side
    227.73x = 69,263.25
  5. Step 5: Solve for x
    x = 69,263.25/227.73
  6. Step 6: Final answer
    x = 304.15

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.