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Finding the Fourth Proportional to 375.77, 563.63 and 119.25

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Solution

The fourth proportional to 375.77, 563.63 and 119.25 is: 178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.77 : 563.63 = 119.25 : x
  2. Step 2: Convert to fraction form
    375.77/563.63 = 119.25/x
  3. Step 3: Cross multiply
    375.77x = 563.63 × 119.25
  4. Step 4: Simplify right side
    375.77x = 67,212.88
  5. Step 5: Solve for x
    x = 67,212.88/375.77
  6. Step 6: Final answer
    x = 178.87

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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.