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Finding the Fourth Proportional to 574.00, 860.97 and 330.35

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Solution

The fourth proportional to 574.00, 860.97 and 330.35 is: 495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.00 : 860.97 = 330.35 : x
  2. Step 2: Convert to fraction form
    574.00/860.97 = 330.35/x
  3. Step 3: Cross multiply
    574.00x = 860.97 × 330.35
  4. Step 4: Simplify right side
    574.00x = 284,421.44
  5. Step 5: Solve for x
    x = 284,421.44/574.00
  6. Step 6: Final answer
    x = 495.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.