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Finding the Fourth Proportional to 596.66, 894.85 and 422.84

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Solution

The fourth proportional to 596.66, 894.85 and 422.84 is: 634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.66 : 894.85 = 422.84 : x
  2. Step 2: Convert to fraction form
    596.66/894.85 = 422.84/x
  3. Step 3: Cross multiply
    596.66x = 894.85 × 422.84
  4. Step 4: Simplify right side
    596.66x = 378,372.84
  5. Step 5: Solve for x
    x = 378,372.84/596.66
  6. Step 6: Final answer
    x = 634.16

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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.