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Finding the Fourth Proportional to 441.35, 608.65 and 329.60

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Solution

The fourth proportional to 441.35, 608.65 and 329.60 is: 454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.35 : 608.65 = 329.60 : x
  2. Step 2: Convert to fraction form
    441.35/608.65 = 329.60/x
  3. Step 3: Cross multiply
    441.35x = 608.65 × 329.60
  4. Step 4: Simplify right side
    441.35x = 200,611.74
  5. Step 5: Solve for x
    x = 200,611.74/441.35
  6. Step 6: Final answer
    x = 454.54

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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.