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Finding the Fourth Proportional to 398.03, 596.62 and 167.05

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Solution

The fourth proportional to 398.03, 596.62 and 167.05 is: 250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    398.03 : 596.62 = 167.05 : x
  2. Step 2: Convert to fraction form
    398.03/596.62 = 167.05/x
  3. Step 3: Cross multiply
    398.03x = 596.62 × 167.05
  4. Step 4: Simplify right side
    398.03x = 99,663.46
  5. Step 5: Solve for x
    x = 99,663.46/398.03
  6. Step 6: Final answer
    x = 250.39

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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.