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Finding the Fourth Proportional to 441.97, 662.94 and 210.97

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Solution

The fourth proportional to 441.97, 662.94 and 210.97 is: 316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.97 : 662.94 = 210.97 : x
  2. Step 2: Convert to fraction form
    441.97/662.94 = 210.97/x
  3. Step 3: Cross multiply
    441.97x = 662.94 × 210.97
  4. Step 4: Simplify right side
    441.97x = 139,860.45
  5. Step 5: Solve for x
    x = 139,860.45/441.97
  6. Step 6: Final answer
    x = 316.45

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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.