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Finding the Fourth Proportional to 608.45, 910.71 and 333.86

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Solution

The fourth proportional to 608.45, 910.71 and 333.86 is: 499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.45 : 910.71 = 333.86 : x
  2. Step 2: Convert to fraction form
    608.45/910.71 = 333.86/x
  3. Step 3: Cross multiply
    608.45x = 910.71 × 333.86
  4. Step 4: Simplify right side
    608.45x = 304,045.09
  5. Step 5: Solve for x
    x = 304,045.09/608.45
  6. Step 6: Final answer
    x = 499.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.