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Finding the Fourth Proportional to 937.23, 1,292.52 and 750.72

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Solution

The fourth proportional to 937.23, 1,292.52 and 750.72 is: 1,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.23 : 1,292.52 = 750.72 : x
  2. Step 2: Convert to fraction form
    937.23/1,292.52 = 750.72/x
  3. Step 3: Cross multiply
    937.23x = 1,292.52 × 750.72
  4. Step 4: Simplify right side
    937.23x = 970,320.61
  5. Step 5: Solve for x
    x = 970,320.61/937.23
  6. Step 6: Final answer
    x = 1,035.31

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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.