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Finding the Fourth Proportional to 606.78, 838.04 and 541.17

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Solution

The fourth proportional to 606.78, 838.04 and 541.17 is: 747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.78 : 838.04 = 541.17 : x
  2. Step 2: Convert to fraction form
    606.78/838.04 = 541.17/x
  3. Step 3: Cross multiply
    606.78x = 838.04 × 541.17
  4. Step 4: Simplify right side
    606.78x = 453,519.40
  5. Step 5: Solve for x
    x = 453,519.40/606.78
  6. Step 6: Final answer
    x = 747.42

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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.