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Finding the Fourth Proportional to 606.05, 836.73 and 396.53

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Solution

The fourth proportional to 606.05, 836.73 and 396.53 is: 547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.05 : 836.73 = 396.53 : x
  2. Step 2: Convert to fraction form
    606.05/836.73 = 396.53/x
  3. Step 3: Cross multiply
    606.05x = 836.73 × 396.53
  4. Step 4: Simplify right side
    606.05x = 331,787.50
  5. Step 5: Solve for x
    x = 331,787.50/606.05
  6. Step 6: Final answer
    x = 547.46

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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.