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Finding the Fourth Proportional to 236.34, 325.62 and 225.36

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Solution

The fourth proportional to 236.34, 325.62 and 225.36 is: 310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.34 : 325.62 = 225.36 : x
  2. Step 2: Convert to fraction form
    236.34/325.62 = 225.36/x
  3. Step 3: Cross multiply
    236.34x = 325.62 × 225.36
  4. Step 4: Simplify right side
    236.34x = 73,381.72
  5. Step 5: Solve for x
    x = 73,381.72/236.34
  6. Step 6: Final answer
    x = 310.49

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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.