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Finding the Fourth Proportional to 541.46, 812.46 and 397.46

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Solution

The fourth proportional to 541.46, 812.46 and 397.46 is: 596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.46 : 812.46 = 397.46 : x
  2. Step 2: Convert to fraction form
    541.46/812.46 = 397.46/x
  3. Step 3: Cross multiply
    541.46x = 812.46 × 397.46
  4. Step 4: Simplify right side
    541.46x = 322,920.35
  5. Step 5: Solve for x
    x = 322,920.35/541.46
  6. Step 6: Final answer
    x = 596.39

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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.