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Finding the Fourth Proportional to 597.27, 824.34 and 479.72

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Solution

The fourth proportional to 597.27, 824.34 and 479.72 is: 662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.27 : 824.34 = 479.72 : x
  2. Step 2: Convert to fraction form
    597.27/824.34 = 479.72/x
  3. Step 3: Cross multiply
    597.27x = 824.34 × 479.72
  4. Step 4: Simplify right side
    597.27x = 395,456.24
  5. Step 5: Solve for x
    x = 395,456.24/597.27
  6. Step 6: Final answer
    x = 662.10

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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.