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Finding the Fourth Proportional to 596.10, 893.42 and 422.82

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Solution

The fourth proportional to 596.10, 893.42 and 422.82 is: 633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.10 : 893.42 = 422.82 : x
  2. Step 2: Convert to fraction form
    596.10/893.42 = 422.82/x
  3. Step 3: Cross multiply
    596.10x = 893.42 × 422.82
  4. Step 4: Simplify right side
    596.10x = 377,755.84
  5. Step 5: Solve for x
    x = 377,755.84/596.10
  6. Step 6: Final answer
    x = 633.71

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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.