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Finding the Fourth Proportional to 636.54, 880.05 and 441.51

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Solution

The fourth proportional to 636.54, 880.05 and 441.51 is: 610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.54 : 880.05 = 441.51 : x
  2. Step 2: Convert to fraction form
    636.54/880.05 = 441.51/x
  3. Step 3: Cross multiply
    636.54x = 880.05 × 441.51
  4. Step 4: Simplify right side
    636.54x = 388,550.88
  5. Step 5: Solve for x
    x = 388,550.88/636.54
  6. Step 6: Final answer
    x = 610.41

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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.