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Finding the Fourth Proportional to 163.48, 244.77 and 114.62

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Solution

The fourth proportional to 163.48, 244.77 and 114.62 is: 171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.48 : 244.77 = 114.62 : x
  2. Step 2: Convert to fraction form
    163.48/244.77 = 114.62/x
  3. Step 3: Cross multiply
    163.48x = 244.77 × 114.62
  4. Step 4: Simplify right side
    163.48x = 28,055.54
  5. Step 5: Solve for x
    x = 28,055.54/163.48
  6. Step 6: Final answer
    x = 171.61

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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.