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Finding the Fourth Proportional to 467.14, 699.67 and 247.09

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Solution

The fourth proportional to 467.14, 699.67 and 247.09 is: 370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.14 : 699.67 = 247.09 : x
  2. Step 2: Convert to fraction form
    467.14/699.67 = 247.09/x
  3. Step 3: Cross multiply
    467.14x = 699.67 × 247.09
  4. Step 4: Simplify right side
    467.14x = 172,880.02
  5. Step 5: Solve for x
    x = 172,880.02/467.14
  6. Step 6: Final answer
    x = 370.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.