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Finding the Fourth Proportional to 598.22, 897.11 and 285.82

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Solution

The fourth proportional to 598.22, 897.11 and 285.82 is: 428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.22 : 897.11 = 285.82 : x
  2. Step 2: Convert to fraction form
    598.22/897.11 = 285.82/x
  3. Step 3: Cross multiply
    598.22x = 897.11 × 285.82
  4. Step 4: Simplify right side
    598.22x = 256,408.84
  5. Step 5: Solve for x
    x = 256,408.84/598.22
  6. Step 6: Final answer
    x = 428.62

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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.