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Finding the Fourth Proportional to 600.67, 828.87 and 443.39

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Solution

The fourth proportional to 600.67, 828.87 and 443.39 is: 611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.67 : 828.87 = 443.39 : x
  2. Step 2: Convert to fraction form
    600.67/828.87 = 443.39/x
  3. Step 3: Cross multiply
    600.67x = 828.87 × 443.39
  4. Step 4: Simplify right side
    600.67x = 367,512.67
  5. Step 5: Solve for x
    x = 367,512.67/600.67
  6. Step 6: Final answer
    x = 611.84

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1.5x scale

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.