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Finding the Fourth Proportional to 600.55, 828.84 and 351.97

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Solution

The fourth proportional to 600.55, 828.84 and 351.97 is: 485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.55 : 828.84 = 351.97 : x
  2. Step 2: Convert to fraction form
    600.55/828.84 = 351.97/x
  3. Step 3: Cross multiply
    600.55x = 828.84 × 351.97
  4. Step 4: Simplify right side
    600.55x = 291,724.08
  5. Step 5: Solve for x
    x = 291,724.08/600.55
  6. Step 6: Final answer
    x = 485.76

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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.