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Finding the Fourth Proportional to 600.71, 828.95 and 338.72

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Solution

The fourth proportional to 600.71, 828.95 and 338.72 is: 467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.71 : 828.95 = 338.72 : x
  2. Step 2: Convert to fraction form
    600.71/828.95 = 338.72/x
  3. Step 3: Cross multiply
    600.71x = 828.95 × 338.72
  4. Step 4: Simplify right side
    600.71x = 280,776.11
  5. Step 5: Solve for x
    x = 280,776.11/600.71
  6. Step 6: Final answer
    x = 467.41

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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.