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Finding the Fourth Proportional to 382.66, 573.99 and 94.09

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Solution

The fourth proportional to 382.66, 573.99 and 94.09 is: 141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.66 : 573.99 = 94.09 : x
  2. Step 2: Convert to fraction form
    382.66/573.99 = 94.09/x
  3. Step 3: Cross multiply
    382.66x = 573.99 × 94.09
  4. Step 4: Simplify right side
    382.66x = 54,006.72
  5. Step 5: Solve for x
    x = 54,006.72/382.66
  6. Step 6: Final answer
    x = 141.14

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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.