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Finding the Fourth Proportional to 574.54, 864.92 and 523.51

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Solution

The fourth proportional to 574.54, 864.92 and 523.51 is: 788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.54 : 864.92 = 523.51 : x
  2. Step 2: Convert to fraction form
    574.54/864.92 = 523.51/x
  3. Step 3: Cross multiply
    574.54x = 864.92 × 523.51
  4. Step 4: Simplify right side
    574.54x = 452,793.42
  5. Step 5: Solve for x
    x = 452,793.42/574.54
  6. Step 6: Final answer
    x = 788.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.