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Finding the Fourth Proportional to 541.98, 812.97 and 414.54

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Solution

The fourth proportional to 541.98, 812.97 and 414.54 is: 621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.98 : 812.97 = 414.54 : x
  2. Step 2: Convert to fraction form
    541.98/812.97 = 414.54/x
  3. Step 3: Cross multiply
    541.98x = 812.97 × 414.54
  4. Step 4: Simplify right side
    541.98x = 337,008.58
  5. Step 5: Solve for x
    x = 337,008.58/541.98
  6. Step 6: Final answer
    x = 621.81

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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.