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Finding the Fourth Proportional to 683.32, 1,024.66 and 227

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Solution

The fourth proportional to 683.32, 1,024.66 and 227 is: 340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.32 : 1,024.66 = 227 : x
  2. Step 2: Convert to fraction form
    683.32/1,024.66 = 227/x
  3. Step 3: Cross multiply
    683.32x = 1,024.66 × 227
  4. Step 4: Simplify right side
    683.32x = 232,597.82
  5. Step 5: Solve for x
    x = 232,597.82/683.32
  6. Step 6: Final answer
    x = 340.39

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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.