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Finding the Fourth Proportional to 552.23, 827.71 and 227.19

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Solution

The fourth proportional to 552.23, 827.71 and 227.19 is: 340.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.23 : 827.71 = 227.19 : x
  2. Step 2: Convert to fraction form
    552.23/827.71 = 227.19/x
  3. Step 3: Cross multiply
    552.23x = 827.71 × 227.19
  4. Step 4: Simplify right side
    552.23x = 188,046.30
  5. Step 5: Solve for x
    x = 188,046.30/552.23
  6. Step 6: Final answer
    x = 340.52

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.