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Finding the Fourth Proportional to 336.71, 501.72 and 327.29

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Solution

The fourth proportional to 336.71, 501.72 and 327.29 is: 487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.71 : 501.72 = 327.29 : x
  2. Step 2: Convert to fraction form
    336.71/501.72 = 327.29/x
  3. Step 3: Cross multiply
    336.71x = 501.72 × 327.29
  4. Step 4: Simplify right side
    336.71x = 164,205.43
  5. Step 5: Solve for x
    x = 164,205.43/336.71
  6. Step 6: Final answer
    x = 487.68

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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.