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Finding the Fourth Proportional to 467.92, 701.96 and 143.32

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Solution

The fourth proportional to 467.92, 701.96 and 143.32 is: 215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.92 : 701.96 = 143.32 : x
  2. Step 2: Convert to fraction form
    467.92/701.96 = 143.32/x
  3. Step 3: Cross multiply
    467.92x = 701.96 × 143.32
  4. Step 4: Simplify right side
    467.92x = 100,604.91
  5. Step 5: Solve for x
    x = 100,604.91/467.92
  6. Step 6: Final answer
    x = 215.00

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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.