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Finding the Fourth Proportional to 596.19, 893.26 and 422.57

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Solution

The fourth proportional to 596.19, 893.26 and 422.57 is: 633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.19 : 893.26 = 422.57 : x
  2. Step 2: Convert to fraction form
    596.19/893.26 = 422.57/x
  3. Step 3: Cross multiply
    596.19x = 893.26 × 422.57
  4. Step 4: Simplify right side
    596.19x = 377,460.41
  5. Step 5: Solve for x
    x = 377,460.41/596.19
  6. Step 6: Final answer
    x = 633.12

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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.