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Finding the Fourth Proportional to 333.28, 496.10 and 326.08

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Solution

The fourth proportional to 333.28, 496.10 and 326.08 is: 485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.28 : 496.10 = 326.08 : x
  2. Step 2: Convert to fraction form
    333.28/496.10 = 326.08/x
  3. Step 3: Cross multiply
    333.28x = 496.10 × 326.08
  4. Step 4: Simplify right side
    333.28x = 161,768.29
  5. Step 5: Solve for x
    x = 161,768.29/333.28
  6. Step 6: Final answer
    x = 485.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.