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Finding the Fourth Proportional to 882.92, 1,217.02 and 696.10

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Solution

The fourth proportional to 882.92, 1,217.02 and 696.10 is: 959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.92 : 1,217.02 = 696.10 : x
  2. Step 2: Convert to fraction form
    882.92/1,217.02 = 696.10/x
  3. Step 3: Cross multiply
    882.92x = 1,217.02 × 696.10
  4. Step 4: Simplify right side
    882.92x = 847,167.62
  5. Step 5: Solve for x
    x = 847,167.62/882.92
  6. Step 6: Final answer
    x = 959.51

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1.5x scale

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.