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Finding the Fourth Proportional to 574.71, 793.41 and 433.71

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Solution

The fourth proportional to 574.71, 793.41 and 433.71 is: 598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.71 : 793.41 = 433.71 : x
  2. Step 2: Convert to fraction form
    574.71/793.41 = 433.71/x
  3. Step 3: Cross multiply
    574.71x = 793.41 × 433.71
  4. Step 4: Simplify right side
    574.71x = 344,103.72
  5. Step 5: Solve for x
    x = 344,103.72/574.71
  6. Step 6: Final answer
    x = 598.75

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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.