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Finding the Fourth Proportional to 600.90, 824.21 and 576.60

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Solution

The fourth proportional to 600.90, 824.21 and 576.60 is: 790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.90 : 824.21 = 576.60 : x
  2. Step 2: Convert to fraction form
    600.90/824.21 = 576.60/x
  3. Step 3: Cross multiply
    600.90x = 824.21 × 576.60
  4. Step 4: Simplify right side
    600.90x = 475,236.60
  5. Step 5: Solve for x
    x = 475,236.60/600.90
  6. Step 6: Final answer
    x = 790.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.