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Finding the Fourth Proportional to 596.87, 823.72 and 331.33

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Solution

The fourth proportional to 596.87, 823.72 and 331.33 is: 457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.87 : 823.72 = 331.33 : x
  2. Step 2: Convert to fraction form
    596.87/823.72 = 331.33/x
  3. Step 3: Cross multiply
    596.87x = 823.72 × 331.33
  4. Step 4: Simplify right side
    596.87x = 272,919.03
  5. Step 5: Solve for x
    x = 272,919.03/596.87
  6. Step 6: Final answer
    x = 457.25

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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.