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Finding the Fourth Proportional to 1,546.73, 2,320.32 and 450.95

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Solution

The fourth proportional to 1,546.73, 2,320.32 and 450.95 is: 676.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.73 : 2,320.32 = 450.95 : x
  2. Step 2: Convert to fraction form
    1,546.73/2,320.32 = 450.95/x
  3. Step 3: Cross multiply
    1,546.73x = 2,320.32 × 450.95
  4. Step 4: Simplify right side
    1,546.73x = 1,046,348.30
  5. Step 5: Solve for x
    x = 1,046,348.30/1,546.73
  6. Step 6: Final answer
    x = 676.49

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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.