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Finding the Fourth Proportional to 467.98, 701.04 and 284.80

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Solution

The fourth proportional to 467.98, 701.04 and 284.80 is: 426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.98 : 701.04 = 284.80 : x
  2. Step 2: Convert to fraction form
    467.98/701.04 = 284.80/x
  3. Step 3: Cross multiply
    467.98x = 701.04 × 284.80
  4. Step 4: Simplify right side
    467.98x = 199,656.19
  5. Step 5: Solve for x
    x = 199,656.19/467.98
  6. Step 6: Final answer
    x = 426.63

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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.