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Finding the Fourth Proportional to 597.20, 823.92 and 335.20

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Solution

The fourth proportional to 597.20, 823.92 and 335.20 is: 462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.20 : 823.92 = 335.20 : x
  2. Step 2: Convert to fraction form
    597.20/823.92 = 335.20/x
  3. Step 3: Cross multiply
    597.20x = 823.92 × 335.20
  4. Step 4: Simplify right side
    597.20x = 276,177.98
  5. Step 5: Solve for x
    x = 276,177.98/597.20
  6. Step 6: Final answer
    x = 462.45

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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.