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Finding the Fourth Proportional to 1,552.03, 2,327.47 and 511.73

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Solution

The fourth proportional to 1,552.03, 2,327.47 and 511.73 is: 767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.03 : 2,327.47 = 511.73 : x
  2. Step 2: Convert to fraction form
    1,552.03/2,327.47 = 511.73/x
  3. Step 3: Cross multiply
    1,552.03x = 2,327.47 × 511.73
  4. Step 4: Simplify right side
    1,552.03x = 1,191,042.68
  5. Step 5: Solve for x
    x = 1,191,042.68/1,552.03
  6. Step 6: Final answer
    x = 767.41

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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.