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Finding the Fourth Proportional to 467.42, 700.97 and 159.21

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Solution

The fourth proportional to 467.42, 700.97 and 159.21 is: 238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.42 : 700.97 = 159.21 : x
  2. Step 2: Convert to fraction form
    467.42/700.97 = 159.21/x
  3. Step 3: Cross multiply
    467.42x = 700.97 × 159.21
  4. Step 4: Simplify right side
    467.42x = 111,600.64
  5. Step 5: Solve for x
    x = 111,600.64/467.42
  6. Step 6: Final answer
    x = 238.76

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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.