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Finding the Fourth Proportional to 336.84, 461.76 and 330.96

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Solution

The fourth proportional to 336.84, 461.76 and 330.96 is: 453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.84 : 461.76 = 330.96 : x
  2. Step 2: Convert to fraction form
    336.84/461.76 = 330.96/x
  3. Step 3: Cross multiply
    336.84x = 461.76 × 330.96
  4. Step 4: Simplify right side
    336.84x = 152,824.09
  5. Step 5: Solve for x
    x = 152,824.09/336.84
  6. Step 6: Final answer
    x = 453.70

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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.