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Finding the Fourth Proportional to 338.67, 508.14 and 295.83

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Solution

The fourth proportional to 338.67, 508.14 and 295.83 is: 443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.67 : 508.14 = 295.83 : x
  2. Step 2: Convert to fraction form
    338.67/508.14 = 295.83/x
  3. Step 3: Cross multiply
    338.67x = 508.14 × 295.83
  4. Step 4: Simplify right side
    338.67x = 150,323.06
  5. Step 5: Solve for x
    x = 150,323.06/338.67
  6. Step 6: Final answer
    x = 443.86

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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.