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Finding the Fourth Proportional to 188.91, 281.69 and 175.92

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Solution

The fourth proportional to 188.91, 281.69 and 175.92 is: 262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.91 : 281.69 = 175.92 : x
  2. Step 2: Convert to fraction form
    188.91/281.69 = 175.92/x
  3. Step 3: Cross multiply
    188.91x = 281.69 × 175.92
  4. Step 4: Simplify right side
    188.91x = 49,554.90
  5. Step 5: Solve for x
    x = 49,554.90/188.91
  6. Step 6: Final answer
    x = 262.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.