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Finding the Fourth Proportional to 682.06, 941.25 and 371.56

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Solution

The fourth proportional to 682.06, 941.25 and 371.56 is: 512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.06 : 941.25 = 371.56 : x
  2. Step 2: Convert to fraction form
    682.06/941.25 = 371.56/x
  3. Step 3: Cross multiply
    682.06x = 941.25 × 371.56
  4. Step 4: Simplify right side
    682.06x = 349,730.85
  5. Step 5: Solve for x
    x = 349,730.85/682.06
  6. Step 6: Final answer
    x = 512.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.