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Finding the Fourth Proportional to 441.33, 608.68 and 301.30

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Solution

The fourth proportional to 441.33, 608.68 and 301.30 is: 415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.33 : 608.68 = 301.30 : x
  2. Step 2: Convert to fraction form
    441.33/608.68 = 301.30/x
  3. Step 3: Cross multiply
    441.33x = 608.68 × 301.30
  4. Step 4: Simplify right side
    441.33x = 183,393.01
  5. Step 5: Solve for x
    x = 183,393.01/441.33
  6. Step 6: Final answer
    x = 415.55

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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.