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Finding the Fourth Proportional to 600.35, 828.43 and 351.68

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Solution

The fourth proportional to 600.35, 828.43 and 351.68 is: 485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.35 : 828.43 = 351.68 : x
  2. Step 2: Convert to fraction form
    600.35/828.43 = 351.68/x
  3. Step 3: Cross multiply
    600.35x = 828.43 × 351.68
  4. Step 4: Simplify right side
    600.35x = 291,337.24
  5. Step 5: Solve for x
    x = 291,337.24/600.35
  6. Step 6: Final answer
    x = 485.28

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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.