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Finding the Fourth Proportional to 792.04, 1,187.10 and 696.04

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Solution

The fourth proportional to 792.04, 1,187.10 and 696.04 is: 1,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.04 : 1,187.10 = 696.04 : x
  2. Step 2: Convert to fraction form
    792.04/1,187.10 = 696.04/x
  3. Step 3: Cross multiply
    792.04x = 1,187.10 × 696.04
  4. Step 4: Simplify right side
    792.04x = 826,269.08
  5. Step 5: Solve for x
    x = 826,269.08/792.04
  6. Step 6: Final answer
    x = 1,043.22

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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.