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Finding the Fourth Proportional to 163.82, 246.95 and 152.69

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Solution

The fourth proportional to 163.82, 246.95 and 152.69 is: 230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.82 : 246.95 = 152.69 : x
  2. Step 2: Convert to fraction form
    163.82/246.95 = 152.69/x
  3. Step 3: Cross multiply
    163.82x = 246.95 × 152.69
  4. Step 4: Simplify right side
    163.82x = 37,705.37
  5. Step 5: Solve for x
    x = 37,705.37/163.82
  6. Step 6: Final answer
    x = 230.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.