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Finding the Fourth Proportional to 194.01, 289.63 and 168.53

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Solution

The fourth proportional to 194.01, 289.63 and 168.53 is: 251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.01 : 289.63 = 168.53 : x
  2. Step 2: Convert to fraction form
    194.01/289.63 = 168.53/x
  3. Step 3: Cross multiply
    194.01x = 289.63 × 168.53
  4. Step 4: Simplify right side
    194.01x = 48,811.77
  5. Step 5: Solve for x
    x = 48,811.77/194.01
  6. Step 6: Final answer
    x = 251.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.