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Finding the Fourth Proportional to 395.01, 541.80 and 376.11

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Solution

The fourth proportional to 395.01, 541.80 and 376.11 is: 515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.01 : 541.80 = 376.11 : x
  2. Step 2: Convert to fraction form
    395.01/541.80 = 376.11/x
  3. Step 3: Cross multiply
    395.01x = 541.80 × 376.11
  4. Step 4: Simplify right side
    395.01x = 203,776.40
  5. Step 5: Solve for x
    x = 203,776.40/395.01
  6. Step 6: Final answer
    x = 515.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.