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Finding the Fourth Proportional to 1,034.97, 1,552.43 and 265.47

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Solution

The fourth proportional to 1,034.97, 1,552.43 and 265.47 is: 398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.97 : 1,552.43 = 265.47 : x
  2. Step 2: Convert to fraction form
    1,034.97/1,552.43 = 265.47/x
  3. Step 3: Cross multiply
    1,034.97x = 1,552.43 × 265.47
  4. Step 4: Simplify right side
    1,034.97x = 412,122.26
  5. Step 5: Solve for x
    x = 412,122.26/1,034.97
  6. Step 6: Final answer
    x = 398.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.