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Finding the Fourth Proportional to 336.91, 467.30 and 324.61

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Solution

The fourth proportional to 336.91, 467.30 and 324.61 is: 450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.91 : 467.30 = 324.61 : x
  2. Step 2: Convert to fraction form
    336.91/467.30 = 324.61/x
  3. Step 3: Cross multiply
    336.91x = 467.30 × 324.61
  4. Step 4: Simplify right side
    336.91x = 151,690.25
  5. Step 5: Solve for x
    x = 151,690.25/336.91
  6. Step 6: Final answer
    x = 450.24

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.