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Finding the Fourth Proportional to 750.52, 1,036.22 and 701.26

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Solution

The fourth proportional to 750.52, 1,036.22 and 701.26 is: 968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.52 : 1,036.22 = 701.26 : x
  2. Step 2: Convert to fraction form
    750.52/1,036.22 = 701.26/x
  3. Step 3: Cross multiply
    750.52x = 1,036.22 × 701.26
  4. Step 4: Simplify right side
    750.52x = 726,659.64
  5. Step 5: Solve for x
    x = 726,659.64/750.52
  6. Step 6: Final answer
    x = 968.21

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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.