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Finding the Fourth Proportional to 378.07, 567.11 and 195.37

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Solution

The fourth proportional to 378.07, 567.11 and 195.37 is: 293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    378.07 : 567.11 = 195.37 : x
  2. Step 2: Convert to fraction form
    378.07/567.11 = 195.37/x
  3. Step 3: Cross multiply
    378.07x = 567.11 × 195.37
  4. Step 4: Simplify right side
    378.07x = 110,796.28
  5. Step 5: Solve for x
    x = 110,796.28/378.07
  6. Step 6: Final answer
    x = 293.06

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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.