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Finding the Fourth Proportional to 1,293.70, 1,940.50 and 563.27

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Solution

The fourth proportional to 1,293.70, 1,940.50 and 563.27 is: 844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293.70 : 1,940.50 = 563.27 : x
  2. Step 2: Convert to fraction form
    1,293.70/1,940.50 = 563.27/x
  3. Step 3: Cross multiply
    1,293.70x = 1,940.50 × 563.27
  4. Step 4: Simplify right side
    1,293.70x = 1,093,025.44
  5. Step 5: Solve for x
    x = 1,093,025.44/1,293.70
  6. Step 6: Final answer
    x = 844.88

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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.