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Finding the Fourth Proportional to 792.02, 1,092.37 and 738.97

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Solution

The fourth proportional to 792.02, 1,092.37 and 738.97 is: 1,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.02 : 1,092.37 = 738.97 : x
  2. Step 2: Convert to fraction form
    792.02/1,092.37 = 738.97/x
  3. Step 3: Cross multiply
    792.02x = 1,092.37 × 738.97
  4. Step 4: Simplify right side
    792.02x = 807,224.96
  5. Step 5: Solve for x
    x = 807,224.96/792.02
  6. Step 6: Final answer
    x = 1,019.20

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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.