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Finding the Fourth Proportional to 338.61, 467.42 and 264.96

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Solution

The fourth proportional to 338.61, 467.42 and 264.96 is: 365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.61 : 467.42 = 264.96 : x
  2. Step 2: Convert to fraction form
    338.61/467.42 = 264.96/x
  3. Step 3: Cross multiply
    338.61x = 467.42 × 264.96
  4. Step 4: Simplify right side
    338.61x = 123,846.28
  5. Step 5: Solve for x
    x = 123,846.28/338.61
  6. Step 6: Final answer
    x = 365.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.