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Finding the Fourth Proportional to 1,549.08, 2,323.78 and 453.44

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Solution

The fourth proportional to 1,549.08, 2,323.78 and 453.44 is: 680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.08 : 2,323.78 = 453.44 : x
  2. Step 2: Convert to fraction form
    1,549.08/2,323.78 = 453.44/x
  3. Step 3: Cross multiply
    1,549.08x = 2,323.78 × 453.44
  4. Step 4: Simplify right side
    1,549.08x = 1,053,692.54
  5. Step 5: Solve for x
    x = 1,053,692.54/1,549.08
  6. Step 6: Final answer
    x = 680.21

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