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Finding the Fourth Proportional to 1,351.63, 2,027.44 and 325.63

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Solution

The fourth proportional to 1,351.63, 2,027.44 and 325.63 is: 488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.63 : 2,027.44 = 325.63 : x
  2. Step 2: Convert to fraction form
    1,351.63/2,027.44 = 325.63/x
  3. Step 3: Cross multiply
    1,351.63x = 2,027.44 × 325.63
  4. Step 4: Simplify right side
    1,351.63x = 660,185.15
  5. Step 5: Solve for x
    x = 660,185.15/1,351.63
  6. Step 6: Final answer
    x = 488.44

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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.