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Finding the Fourth Proportional to 600.55, 828.71 and 351.83

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Solution

The fourth proportional to 600.55, 828.71 and 351.83 is: 485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.55 : 828.71 = 351.83 : x
  2. Step 2: Convert to fraction form
    600.55/828.71 = 351.83/x
  3. Step 3: Cross multiply
    600.55x = 828.71 × 351.83
  4. Step 4: Simplify right side
    600.55x = 291,566.67
  5. Step 5: Solve for x
    x = 291,566.67/600.55
  6. Step 6: Final answer
    x = 485.50

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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.