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Finding the Fourth Proportional to 467.92, 696.89 and 437.92

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Solution

The fourth proportional to 467.92, 696.89 and 437.92 is: 652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.92 : 696.89 = 437.92 : x
  2. Step 2: Convert to fraction form
    467.92/696.89 = 437.92/x
  3. Step 3: Cross multiply
    467.92x = 696.89 × 437.92
  4. Step 4: Simplify right side
    467.92x = 305,182.07
  5. Step 5: Solve for x
    x = 305,182.07/467.92
  6. Step 6: Final answer
    x = 652.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.