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Finding the Fourth Proportional to 336.33, 501.89 and 326.61

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Solution

The fourth proportional to 336.33, 501.89 and 326.61 is: 487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.33 : 501.89 = 326.61 : x
  2. Step 2: Convert to fraction form
    336.33/501.89 = 326.61/x
  3. Step 3: Cross multiply
    336.33x = 501.89 × 326.61
  4. Step 4: Simplify right side
    336.33x = 163,920.66
  5. Step 5: Solve for x
    x = 163,920.66/336.33
  6. Step 6: Final answer
    x = 487.38

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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.