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Finding the Fourth Proportional to 194.42, 291.63 and 50.14

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Solution

The fourth proportional to 194.42, 291.63 and 50.14 is: 75.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.42 : 291.63 = 50.14 : x
  2. Step 2: Convert to fraction form
    194.42/291.63 = 50.14/x
  3. Step 3: Cross multiply
    194.42x = 291.63 × 50.14
  4. Step 4: Simplify right side
    194.42x = 14,622.33
  5. Step 5: Solve for x
    x = 14,622.33/194.42
  6. Step 6: Final answer
    x = 75.21

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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.