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Finding the Fourth Proportional to 236.36, 325.96 and 162.56

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Solution

The fourth proportional to 236.36, 325.96 and 162.56 is: 224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.36 : 325.96 = 162.56 : x
  2. Step 2: Convert to fraction form
    236.36/325.96 = 162.56/x
  3. Step 3: Cross multiply
    236.36x = 325.96 × 162.56
  4. Step 4: Simplify right side
    236.36x = 52,988.06
  5. Step 5: Solve for x
    x = 52,988.06/236.36
  6. Step 6: Final answer
    x = 224.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.