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Finding the Fourth Proportional to 596.39, 893.60 and 422.19

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Solution

The fourth proportional to 596.39, 893.60 and 422.19 is: 632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.39 : 893.60 = 422.19 : x
  2. Step 2: Convert to fraction form
    596.39/893.60 = 422.19/x
  3. Step 3: Cross multiply
    596.39x = 893.60 × 422.19
  4. Step 4: Simplify right side
    596.39x = 377,268.98
  5. Step 5: Solve for x
    x = 377,268.98/596.39
  6. Step 6: Final answer
    x = 632.59

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1.5x scale

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.