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Finding the Fourth Proportional to 552.15, 828.18 and 227.49

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Solution

The fourth proportional to 552.15, 828.18 and 227.49 is: 341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.15 : 828.18 = 227.49 : x
  2. Step 2: Convert to fraction form
    552.15/828.18 = 227.49/x
  3. Step 3: Cross multiply
    552.15x = 828.18 × 227.49
  4. Step 4: Simplify right side
    552.15x = 188,402.67
  5. Step 5: Solve for x
    x = 188,402.67/552.15
  6. Step 6: Final answer
    x = 341.22

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Double scale
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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.