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Finding the Fourth Proportional to 882.10, 1,322.12 and 708.96

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Solution

The fourth proportional to 882.10, 1,322.12 and 708.96 is: 1,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.10 : 1,322.12 = 708.96 : x
  2. Step 2: Convert to fraction form
    882.10/1,322.12 = 708.96/x
  3. Step 3: Cross multiply
    882.10x = 1,322.12 × 708.96
  4. Step 4: Simplify right side
    882.10x = 937,335.27
  5. Step 5: Solve for x
    x = 937,335.27/882.10
  6. Step 6: Final answer
    x = 1,062.62

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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.