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Finding the Fourth Proportional to 1,463.06, 2,194.50 and 488.90

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Solution

The fourth proportional to 1,463.06, 2,194.50 and 488.90 is: 733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.06 : 2,194.50 = 488.90 : x
  2. Step 2: Convert to fraction form
    1,463.06/2,194.50 = 488.90/x
  3. Step 3: Cross multiply
    1,463.06x = 2,194.50 × 488.90
  4. Step 4: Simplify right side
    1,463.06x = 1,072,891.05
  5. Step 5: Solve for x
    x = 1,072,891.05/1,463.06
  6. Step 6: Final answer
    x = 733.32

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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.