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Finding the Fourth Proportional to 675.92, 932.62 and 426.94

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Solution

The fourth proportional to 675.92, 932.62 and 426.94 is: 589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.92 : 932.62 = 426.94 : x
  2. Step 2: Convert to fraction form
    675.92/932.62 = 426.94/x
  3. Step 3: Cross multiply
    675.92x = 932.62 × 426.94
  4. Step 4: Simplify right side
    675.92x = 398,170.65
  5. Step 5: Solve for x
    x = 398,170.65/675.92
  6. Step 6: Final answer
    x = 589.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.