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Finding the Fourth Proportional to 335.75, 460.79 and 326.63

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Solution

The fourth proportional to 335.75, 460.79 and 326.63 is: 448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.75 : 460.79 = 326.63 : x
  2. Step 2: Convert to fraction form
    335.75/460.79 = 326.63/x
  3. Step 3: Cross multiply
    335.75x = 460.79 × 326.63
  4. Step 4: Simplify right side
    335.75x = 150,508.58
  5. Step 5: Solve for x
    x = 150,508.58/335.75
  6. Step 6: Final answer
    x = 448.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.