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Finding the Fourth Proportional to 598.67, 896.58 and 381.59

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Solution

The fourth proportional to 598.67, 896.58 and 381.59 is: 571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.67 : 896.58 = 381.59 : x
  2. Step 2: Convert to fraction form
    598.67/896.58 = 381.59/x
  3. Step 3: Cross multiply
    598.67x = 896.58 × 381.59
  4. Step 4: Simplify right side
    598.67x = 342,121.48
  5. Step 5: Solve for x
    x = 342,121.48/598.67
  6. Step 6: Final answer
    x = 571.47

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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.