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Finding the Fourth Proportional to 236.01, 325.61 and 153.22

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Solution

The fourth proportional to 236.01, 325.61 and 153.22 is: 211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.01 : 325.61 = 153.22 : x
  2. Step 2: Convert to fraction form
    236.01/325.61 = 153.22/x
  3. Step 3: Cross multiply
    236.01x = 325.61 × 153.22
  4. Step 4: Simplify right side
    236.01x = 49,887.57
  5. Step 5: Solve for x
    x = 49,887.57/236.01
  6. Step 6: Final answer
    x = 211.38

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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.