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Finding the Fourth Proportional to 600.21, 828.29 and 351.57

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Solution

The fourth proportional to 600.21, 828.29 and 351.57 is: 485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.21 : 828.29 = 351.57 : x
  2. Step 2: Convert to fraction form
    600.21/828.29 = 351.57/x
  3. Step 3: Cross multiply
    600.21x = 828.29 × 351.57
  4. Step 4: Simplify right side
    600.21x = 291,205.90
  5. Step 5: Solve for x
    x = 291,205.90/600.21
  6. Step 6: Final answer
    x = 485.17

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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.