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Finding the Fourth Proportional to 792.75, 1,094.01 and 443.43

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Solution

The fourth proportional to 792.75, 1,094.01 and 443.43 is: 611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.75 : 1,094.01 = 443.43 : x
  2. Step 2: Convert to fraction form
    792.75/1,094.01 = 443.43/x
  3. Step 3: Cross multiply
    792.75x = 1,094.01 × 443.43
  4. Step 4: Simplify right side
    792.75x = 485,116.85
  5. Step 5: Solve for x
    x = 485,116.85/792.75
  6. Step 6: Final answer
    x = 611.94

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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.