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Finding the Fourth Proportional to 598.13, 896.97 and 285.72

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Solution

The fourth proportional to 598.13, 896.97 and 285.72 is: 428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.13 : 896.97 = 285.72 : x
  2. Step 2: Convert to fraction form
    598.13/896.97 = 285.72/x
  3. Step 3: Cross multiply
    598.13x = 896.97 × 285.72
  4. Step 4: Simplify right side
    598.13x = 256,284.27
  5. Step 5: Solve for x
    x = 256,284.27/598.13
  6. Step 6: Final answer
    x = 428.48

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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.