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Finding the Fourth Proportional to 441.09, 608.04 and 275.22

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Solution

The fourth proportional to 441.09, 608.04 and 275.22 is: 379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.09 : 608.04 = 275.22 : x
  2. Step 2: Convert to fraction form
    441.09/608.04 = 275.22/x
  3. Step 3: Cross multiply
    441.09x = 608.04 × 275.22
  4. Step 4: Simplify right side
    441.09x = 167,344.77
  5. Step 5: Solve for x
    x = 167,344.77/441.09
  6. Step 6: Final answer
    x = 379.39

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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.