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Finding the Fourth Proportional to 441.09, 608.54 and 275.27

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Solution

The fourth proportional to 441.09, 608.54 and 275.27 is: 379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.09 : 608.54 = 275.27 : x
  2. Step 2: Convert to fraction form
    441.09/608.54 = 275.27/x
  3. Step 3: Cross multiply
    441.09x = 608.54 × 275.27
  4. Step 4: Simplify right side
    441.09x = 167,508.39
  5. Step 5: Solve for x
    x = 167,508.39/441.09
  6. Step 6: Final answer
    x = 379.76

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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.