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Finding the Fourth Proportional to 227.58, 338.99 and 226.22

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Solution

The fourth proportional to 227.58, 338.99 and 226.22 is: 336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.58 : 338.99 = 226.22 : x
  2. Step 2: Convert to fraction form
    227.58/338.99 = 226.22/x
  3. Step 3: Cross multiply
    227.58x = 338.99 × 226.22
  4. Step 4: Simplify right side
    227.58x = 76,684.45
  5. Step 5: Solve for x
    x = 76,684.45/227.58
  6. Step 6: Final answer
    x = 336.95

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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.