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Finding the Fourth Proportional to 467.48, 700.31 and 284.42

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Solution

The fourth proportional to 467.48, 700.31 and 284.42 is: 426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.48 : 700.31 = 284.42 : x
  2. Step 2: Convert to fraction form
    467.48/700.31 = 284.42/x
  3. Step 3: Cross multiply
    467.48x = 700.31 × 284.42
  4. Step 4: Simplify right side
    467.48x = 199,180.75
  5. Step 5: Solve for x
    x = 199,180.75/467.48
  6. Step 6: Final answer
    x = 426.07

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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.