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Finding the Fourth Proportional to 597.30, 824.28 and 331.74

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Solution

The fourth proportional to 597.30, 824.28 and 331.74 is: 457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.30 : 824.28 = 331.74 : x
  2. Step 2: Convert to fraction form
    597.30/824.28 = 331.74/x
  3. Step 3: Cross multiply
    597.30x = 824.28 × 331.74
  4. Step 4: Simplify right side
    597.30x = 273,442.31
  5. Step 5: Solve for x
    x = 273,442.31/597.30
  6. Step 6: Final answer
    x = 457.79

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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.