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Finding the Fourth Proportional to 672.96, 926.77 and 606

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Solution

The fourth proportional to 672.96, 926.77 and 606 is: 834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.96 : 926.77 = 606 : x
  2. Step 2: Convert to fraction form
    672.96/926.77 = 606/x
  3. Step 3: Cross multiply
    672.96x = 926.77 × 606
  4. Step 4: Simplify right side
    672.96x = 561,622.62
  5. Step 5: Solve for x
    x = 561,622.62/672.96
  6. Step 6: Final answer
    x = 834.56

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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.