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Finding the Fourth Proportional to 163.95, 244.18 and 162.06

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Solution

The fourth proportional to 163.95, 244.18 and 162.06 is: 241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.95 : 244.18 = 162.06 : x
  2. Step 2: Convert to fraction form
    163.95/244.18 = 162.06/x
  3. Step 3: Cross multiply
    163.95x = 244.18 × 162.06
  4. Step 4: Simplify right side
    163.95x = 39,571.00
  5. Step 5: Solve for x
    x = 39,571.00/163.95
  6. Step 6: Final answer
    x = 241.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.