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Finding the Fourth Proportional to 574.79, 791.91 and 432.37

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Solution

The fourth proportional to 574.79, 791.91 and 432.37 is: 595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.79 : 791.91 = 432.37 : x
  2. Step 2: Convert to fraction form
    574.79/791.91 = 432.37/x
  3. Step 3: Cross multiply
    574.79x = 791.91 × 432.37
  4. Step 4: Simplify right side
    574.79x = 342,398.13
  5. Step 5: Solve for x
    x = 342,398.13/574.79
  6. Step 6: Final answer
    x = 595.69

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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.