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Finding the Fourth Proportional to 247.14, 340.65 and 181.62

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Solution

The fourth proportional to 247.14, 340.65 and 181.62 is: 250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.14 : 340.65 = 181.62 : x
  2. Step 2: Convert to fraction form
    247.14/340.65 = 181.62/x
  3. Step 3: Cross multiply
    247.14x = 340.65 × 181.62
  4. Step 4: Simplify right side
    247.14x = 61,868.85
  5. Step 5: Solve for x
    x = 61,868.85/247.14
  6. Step 6: Final answer
    x = 250.34

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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.