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Finding the Fourth Proportional to 495.38, 683.43 and 371.27

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Solution

The fourth proportional to 495.38, 683.43 and 371.27 is: 512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.38 : 683.43 = 371.27 : x
  2. Step 2: Convert to fraction form
    495.38/683.43 = 371.27/x
  3. Step 3: Cross multiply
    495.38x = 683.43 × 371.27
  4. Step 4: Simplify right side
    495.38x = 253,737.06
  5. Step 5: Solve for x
    x = 253,737.06/495.38
  6. Step 6: Final answer
    x = 512.21

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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.