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Finding the Fourth Proportional to 806.97, 1,112.33 and 544.53

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Solution

The fourth proportional to 806.97, 1,112.33 and 544.53 is: 750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806.97 : 1,112.33 = 544.53 : x
  2. Step 2: Convert to fraction form
    806.97/1,112.33 = 544.53/x
  3. Step 3: Cross multiply
    806.97x = 1,112.33 × 544.53
  4. Step 4: Simplify right side
    806.97x = 605,694.33
  5. Step 5: Solve for x
    x = 605,694.33/806.97
  6. Step 6: Final answer
    x = 750.58

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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.