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Finding the Fourth Proportional to 326.36, 450.38 and 179.01

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Solution

The fourth proportional to 326.36, 450.38 and 179.01 is: 247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.36 : 450.38 = 179.01 : x
  2. Step 2: Convert to fraction form
    326.36/450.38 = 179.01/x
  3. Step 3: Cross multiply
    326.36x = 450.38 × 179.01
  4. Step 4: Simplify right side
    326.36x = 80,621.63
  5. Step 5: Solve for x
    x = 80,621.63/326.36
  6. Step 6: Final answer
    x = 247.04

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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.