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Finding the Fourth Proportional to 163.93, 246.30 and 116.14

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Solution

The fourth proportional to 163.93, 246.30 and 116.14 is: 174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.93 : 246.30 = 116.14 : x
  2. Step 2: Convert to fraction form
    163.93/246.30 = 116.14/x
  3. Step 3: Cross multiply
    163.93x = 246.30 × 116.14
  4. Step 4: Simplify right side
    163.93x = 28,605.28
  5. Step 5: Solve for x
    x = 28,605.28/163.93
  6. Step 6: Final answer
    x = 174.50

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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.