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Finding the Fourth Proportional to 1,536.73, 2,305.42 and 496.79

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Solution

The fourth proportional to 1,536.73, 2,305.42 and 496.79 is: 745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.73 : 2,305.42 = 496.79 : x
  2. Step 2: Convert to fraction form
    1,536.73/2,305.42 = 496.79/x
  3. Step 3: Cross multiply
    1,536.73x = 2,305.42 × 496.79
  4. Step 4: Simplify right side
    1,536.73x = 1,145,309.60
  5. Step 5: Solve for x
    x = 1,145,309.60/1,536.73
  6. Step 6: Final answer
    x = 745.29

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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.