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Finding the Fourth Proportional to 574.05, 792.01 and 325.28

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Solution

The fourth proportional to 574.05, 792.01 and 325.28 is: 448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.05 : 792.01 = 325.28 : x
  2. Step 2: Convert to fraction form
    574.05/792.01 = 325.28/x
  3. Step 3: Cross multiply
    574.05x = 792.01 × 325.28
  4. Step 4: Simplify right side
    574.05x = 257,627.40
  5. Step 5: Solve for x
    x = 257,627.40/574.05
  6. Step 6: Final answer
    x = 448.79

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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.