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Finding the Fourth Proportional to 193.08, 289.48 and 95.60

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Solution

The fourth proportional to 193.08, 289.48 and 95.60 is: 143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.08 : 289.48 = 95.60 : x
  2. Step 2: Convert to fraction form
    193.08/289.48 = 95.60/x
  3. Step 3: Cross multiply
    193.08x = 289.48 × 95.60
  4. Step 4: Simplify right side
    193.08x = 27,674.29
  5. Step 5: Solve for x
    x = 27,674.29/193.08
  6. Step 6: Final answer
    x = 143.33

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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.