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Finding the Fourth Proportional to 163.55, 245.37 and 95.06

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Solution

The fourth proportional to 163.55, 245.37 and 95.06 is: 142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.55 : 245.37 = 95.06 : x
  2. Step 2: Convert to fraction form
    163.55/245.37 = 95.06/x
  3. Step 3: Cross multiply
    163.55x = 245.37 × 95.06
  4. Step 4: Simplify right side
    163.55x = 23,324.87
  5. Step 5: Solve for x
    x = 23,324.87/163.55
  6. Step 6: Final answer
    x = 142.62

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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.