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Finding the Fourth Proportional to 338.03, 506.99 and 94.58

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Solution

The fourth proportional to 338.03, 506.99 and 94.58 is: 141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.03 : 506.99 = 94.58 : x
  2. Step 2: Convert to fraction form
    338.03/506.99 = 94.58/x
  3. Step 3: Cross multiply
    338.03x = 506.99 × 94.58
  4. Step 4: Simplify right side
    338.03x = 47,949.37
  5. Step 5: Solve for x
    x = 47,949.37/338.03
  6. Step 6: Final answer
    x = 141.85

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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.