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Finding the Fourth Proportional to 596.98, 823.98 and 422.38

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Solution

The fourth proportional to 596.98, 823.98 and 422.38 is: 582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.98 : 823.98 = 422.38 : x
  2. Step 2: Convert to fraction form
    596.98/823.98 = 422.38/x
  3. Step 3: Cross multiply
    596.98x = 823.98 × 422.38
  4. Step 4: Simplify right side
    596.98x = 348,032.67
  5. Step 5: Solve for x
    x = 348,032.67/596.98
  6. Step 6: Final answer
    x = 582.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.