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Finding the Fourth Proportional to 397.08, 593.82 and 324.36

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Solution

The fourth proportional to 397.08, 593.82 and 324.36 is: 485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.08 : 593.82 = 324.36 : x
  2. Step 2: Convert to fraction form
    397.08/593.82 = 324.36/x
  3. Step 3: Cross multiply
    397.08x = 593.82 × 324.36
  4. Step 4: Simplify right side
    397.08x = 192,611.46
  5. Step 5: Solve for x
    x = 192,611.46/397.08
  6. Step 6: Final answer
    x = 485.07

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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.