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Finding the Fourth Proportional to 635.72, 954.39 and 540.14

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Solution

The fourth proportional to 635.72, 954.39 and 540.14 is: 810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.72 : 954.39 = 540.14 : x
  2. Step 2: Convert to fraction form
    635.72/954.39 = 540.14/x
  3. Step 3: Cross multiply
    635.72x = 954.39 × 540.14
  4. Step 4: Simplify right side
    635.72x = 515,504.21
  5. Step 5: Solve for x
    x = 515,504.21/635.72
  6. Step 6: Final answer
    x = 810.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.