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Finding the Fourth Proportional to 468.25, 701.97 and 330.55

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Solution

The fourth proportional to 468.25, 701.97 and 330.55 is: 495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.25 : 701.97 = 330.55 : x
  2. Step 2: Convert to fraction form
    468.25/701.97 = 330.55/x
  3. Step 3: Cross multiply
    468.25x = 701.97 × 330.55
  4. Step 4: Simplify right side
    468.25x = 232,036.18
  5. Step 5: Solve for x
    x = 232,036.18/468.25
  6. Step 6: Final answer
    x = 495.54

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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.