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Finding the Fourth Proportional to 338.63, 467.24 and 207.59

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Solution

The fourth proportional to 338.63, 467.24 and 207.59 is: 286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.63 : 467.24 = 207.59 : x
  2. Step 2: Convert to fraction form
    338.63/467.24 = 207.59/x
  3. Step 3: Cross multiply
    338.63x = 467.24 × 207.59
  4. Step 4: Simplify right side
    338.63x = 96,990.98
  5. Step 5: Solve for x
    x = 96,990.98/338.63
  6. Step 6: Final answer
    x = 286.43

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Why These Related Problems?

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