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Finding the Fourth Proportional to 682.56, 935.88 and 673.92

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Solution

The fourth proportional to 682.56, 935.88 and 673.92 is: 924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.56 : 935.88 = 673.92 : x
  2. Step 2: Convert to fraction form
    682.56/935.88 = 673.92/x
  3. Step 3: Cross multiply
    682.56x = 935.88 × 673.92
  4. Step 4: Simplify right side
    682.56x = 630,708.25
  5. Step 5: Solve for x
    x = 630,708.25/682.56
  6. Step 6: Final answer
    x = 924.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.