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Finding the Fourth Proportional to 574.19, 792.37 and 338.12

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Solution

The fourth proportional to 574.19, 792.37 and 338.12 is: 466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.19 : 792.37 = 338.12 : x
  2. Step 2: Convert to fraction form
    574.19/792.37 = 338.12/x
  3. Step 3: Cross multiply
    574.19x = 792.37 × 338.12
  4. Step 4: Simplify right side
    574.19x = 267,916.14
  5. Step 5: Solve for x
    x = 267,916.14/574.19
  6. Step 6: Final answer
    x = 466.60

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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.