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Finding the Fourth Proportional to 467.92, 701.00 and 207.64

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Solution

The fourth proportional to 467.92, 701.00 and 207.64 is: 311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.92 : 701.00 = 207.64 : x
  2. Step 2: Convert to fraction form
    467.92/701.00 = 207.64/x
  3. Step 3: Cross multiply
    467.92x = 701.00 × 207.64
  4. Step 4: Simplify right side
    467.92x = 145,552.85
  5. Step 5: Solve for x
    x = 145,552.85/467.92
  6. Step 6: Final answer
    x = 311.07

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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.