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Finding the Fourth Proportional to 600.59, 828.72 and 379.46

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Solution

The fourth proportional to 600.59, 828.72 and 379.46 is: 523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.59 : 828.72 = 379.46 : x
  2. Step 2: Convert to fraction form
    600.59/828.72 = 379.46/x
  3. Step 3: Cross multiply
    600.59x = 828.72 × 379.46
  4. Step 4: Simplify right side
    600.59x = 314,461.95
  5. Step 5: Solve for x
    x = 314,461.95/600.59
  6. Step 6: Final answer
    x = 523.59

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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.