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Finding the Fourth Proportional to 1,549.50, 2,324.24 and 453.86

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Solution

The fourth proportional to 1,549.50, 2,324.24 and 453.86 is: 680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.50 : 2,324.24 = 453.86 : x
  2. Step 2: Convert to fraction form
    1,549.50/2,324.24 = 453.86/x
  3. Step 3: Cross multiply
    1,549.50x = 2,324.24 × 453.86
  4. Step 4: Simplify right side
    1,549.50x = 1,054,865.68
  5. Step 5: Solve for x
    x = 1,054,865.68/1,549.50
  6. Step 6: Final answer
    x = 680.78

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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.