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Finding the Fourth Proportional to 882.22, 1,217.37 and 504.11

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Solution

The fourth proportional to 882.22, 1,217.37 and 504.11 is: 695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.22 : 1,217.37 = 504.11 : x
  2. Step 2: Convert to fraction form
    882.22/1,217.37 = 504.11/x
  3. Step 3: Cross multiply
    882.22x = 1,217.37 × 504.11
  4. Step 4: Simplify right side
    882.22x = 613,688.39
  5. Step 5: Solve for x
    x = 613,688.39/882.22
  6. Step 6: Final answer
    x = 695.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.