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Finding the Fourth Proportional to 598.43, 896.82 and 381.62

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Solution

The fourth proportional to 598.43, 896.82 and 381.62 is: 571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.43 : 896.82 = 381.62 : x
  2. Step 2: Convert to fraction form
    598.43/896.82 = 381.62/x
  3. Step 3: Cross multiply
    598.43x = 896.82 × 381.62
  4. Step 4: Simplify right side
    598.43x = 342,239.96
  5. Step 5: Solve for x
    x = 342,239.96/598.43
  6. Step 6: Final answer
    x = 571.90

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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.