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Finding the Fourth Proportional to 792.11, 1,093.38 and 544.25

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Solution

The fourth proportional to 792.11, 1,093.38 and 544.25 is: 751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.11 : 1,093.38 = 544.25 : x
  2. Step 2: Convert to fraction form
    792.11/1,093.38 = 544.25/x
  3. Step 3: Cross multiply
    792.11x = 1,093.38 × 544.25
  4. Step 4: Simplify right side
    792.11x = 595,066.60
  5. Step 5: Solve for x
    x = 595,066.60/792.11
  6. Step 6: Final answer
    x = 751.25

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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.