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Finding the Fourth Proportional to 1,522.43, 2,283.87 and 482.18

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Solution

The fourth proportional to 1,522.43, 2,283.87 and 482.18 is: 723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.43 : 2,283.87 = 482.18 : x
  2. Step 2: Convert to fraction form
    1,522.43/2,283.87 = 482.18/x
  3. Step 3: Cross multiply
    1,522.43x = 2,283.87 × 482.18
  4. Step 4: Simplify right side
    1,522.43x = 1,101,236.44
  5. Step 5: Solve for x
    x = 1,101,236.44/1,522.43
  6. Step 6: Final answer
    x = 723.34

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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.