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Finding the Fourth Proportional to 163.48, 226.60 and 160.88

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Solution

The fourth proportional to 163.48, 226.60 and 160.88 is: 223.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.48 : 226.60 = 160.88 : x
  2. Step 2: Convert to fraction form
    163.48/226.60 = 160.88/x
  3. Step 3: Cross multiply
    163.48x = 226.60 × 160.88
  4. Step 4: Simplify right side
    163.48x = 36,455.41
  5. Step 5: Solve for x
    x = 36,455.41/163.48
  6. Step 6: Final answer
    x = 223.00

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.