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Finding the Fourth Proportional to 225.37, 340.07 and 216.93

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Solution

The fourth proportional to 225.37, 340.07 and 216.93 is: 327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.37 : 340.07 = 216.93 : x
  2. Step 2: Convert to fraction form
    225.37/340.07 = 216.93/x
  3. Step 3: Cross multiply
    225.37x = 340.07 × 216.93
  4. Step 4: Simplify right side
    225.37x = 73,771.39
  5. Step 5: Solve for x
    x = 73,771.39/225.37
  6. Step 6: Final answer
    x = 327.33

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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.