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Finding the Fourth Proportional to 1,633.97, 2,450.32 and 538.04

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Solution

The fourth proportional to 1,633.97, 2,450.32 and 538.04 is: 806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.97 : 2,450.32 = 538.04 : x
  2. Step 2: Convert to fraction form
    1,633.97/2,450.32 = 538.04/x
  3. Step 3: Cross multiply
    1,633.97x = 2,450.32 × 538.04
  4. Step 4: Simplify right side
    1,633.97x = 1,318,374.95
  5. Step 5: Solve for x
    x = 1,318,374.95/1,633.97
  6. Step 6: Final answer
    x = 806.85

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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.