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Finding the Fourth Proportional to 733.48, 1,010.54 and 567.12

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Solution

The fourth proportional to 733.48, 1,010.54 and 567.12 is: 781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.48 : 1,010.54 = 567.12 : x
  2. Step 2: Convert to fraction form
    733.48/1,010.54 = 567.12/x
  3. Step 3: Cross multiply
    733.48x = 1,010.54 × 567.12
  4. Step 4: Simplify right side
    733.48x = 573,097.44
  5. Step 5: Solve for x
    x = 573,097.44/733.48
  6. Step 6: Final answer
    x = 781.34

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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.