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Finding the Fourth Proportional to 236.34, 325.17 and 205.17

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Solution

The fourth proportional to 236.34, 325.17 and 205.17 is: 282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.34 : 325.17 = 205.17 : x
  2. Step 2: Convert to fraction form
    236.34/325.17 = 205.17/x
  3. Step 3: Cross multiply
    236.34x = 325.17 × 205.17
  4. Step 4: Simplify right side
    236.34x = 66,715.13
  5. Step 5: Solve for x
    x = 66,715.13/236.34
  6. Step 6: Final answer
    x = 282.28

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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.