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Finding the Fourth Proportional to 662.33, 914.27 and 441.92

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Solution

The fourth proportional to 662.33, 914.27 and 441.92 is: 610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.33 : 914.27 = 441.92 : x
  2. Step 2: Convert to fraction form
    662.33/914.27 = 441.92/x
  3. Step 3: Cross multiply
    662.33x = 914.27 × 441.92
  4. Step 4: Simplify right side
    662.33x = 404,037.59
  5. Step 5: Solve for x
    x = 404,037.59/662.33
  6. Step 6: Final answer
    x = 610.02

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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.