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Finding the Fourth Proportional to 600.21, 828.36 and 351.68

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Solution

The fourth proportional to 600.21, 828.36 and 351.68 is: 485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.21 : 828.36 = 351.68 : x
  2. Step 2: Convert to fraction form
    600.21/828.36 = 351.68/x
  3. Step 3: Cross multiply
    600.21x = 828.36 × 351.68
  4. Step 4: Simplify right side
    600.21x = 291,313.50
  5. Step 5: Solve for x
    x = 291,313.50/600.21
  6. Step 6: Final answer
    x = 485.35

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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.