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Finding the Fourth Proportional to 160.56, 241.04 and 108.99

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Solution

The fourth proportional to 160.56, 241.04 and 108.99 is: 163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.56 : 241.04 = 108.99 : x
  2. Step 2: Convert to fraction form
    160.56/241.04 = 108.99/x
  3. Step 3: Cross multiply
    160.56x = 241.04 × 108.99
  4. Step 4: Simplify right side
    160.56x = 26,270.95
  5. Step 5: Solve for x
    x = 26,270.95/160.56
  6. Step 6: Final answer
    x = 163.62

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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.