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Finding the Fourth Proportional to 398.34, 596.97 and 350.82

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Solution

The fourth proportional to 398.34, 596.97 and 350.82 is: 525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    398.34 : 596.97 = 350.82 : x
  2. Step 2: Convert to fraction form
    398.34/596.97 = 350.82/x
  3. Step 3: Cross multiply
    398.34x = 596.97 × 350.82
  4. Step 4: Simplify right side
    398.34x = 209,429.02
  5. Step 5: Solve for x
    x = 209,429.02/398.34
  6. Step 6: Final answer
    x = 525.75

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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.