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Finding the Fourth Proportional to 606.90, 837.18 and 382.48

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Solution

The fourth proportional to 606.90, 837.18 and 382.48 is: 527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.90 : 837.18 = 382.48 : x
  2. Step 2: Convert to fraction form
    606.90/837.18 = 382.48/x
  3. Step 3: Cross multiply
    606.90x = 837.18 × 382.48
  4. Step 4: Simplify right side
    606.90x = 320,204.61
  5. Step 5: Solve for x
    x = 320,204.61/606.90
  6. Step 6: Final answer
    x = 527.61

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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.