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Finding the Fourth Proportional to 188.37, 260.37 and 170.97

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Solution

The fourth proportional to 188.37, 260.37 and 170.97 is: 236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.37 : 260.37 = 170.97 : x
  2. Step 2: Convert to fraction form
    188.37/260.37 = 170.97/x
  3. Step 3: Cross multiply
    188.37x = 260.37 × 170.97
  4. Step 4: Simplify right side
    188.37x = 44,515.46
  5. Step 5: Solve for x
    x = 44,515.46/188.37
  6. Step 6: Final answer
    x = 236.32

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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.