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Finding the Fourth Proportional to 339.08, 467.84 and 233.96

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Solution

The fourth proportional to 339.08, 467.84 and 233.96 is: 322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.08 : 467.84 = 233.96 : x
  2. Step 2: Convert to fraction form
    339.08/467.84 = 233.96/x
  3. Step 3: Cross multiply
    339.08x = 467.84 × 233.96
  4. Step 4: Simplify right side
    339.08x = 109,455.85
  5. Step 5: Solve for x
    x = 109,455.85/339.08
  6. Step 6: Final answer
    x = 322.80

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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.