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Finding the Fourth Proportional to 701.56, 967.12 and 491.08

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Solution

The fourth proportional to 701.56, 967.12 and 491.08 is: 676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.56 : 967.12 = 491.08 : x
  2. Step 2: Convert to fraction form
    701.56/967.12 = 491.08/x
  3. Step 3: Cross multiply
    701.56x = 967.12 × 491.08
  4. Step 4: Simplify right side
    701.56x = 474,933.29
  5. Step 5: Solve for x
    x = 474,933.29/701.56
  6. Step 6: Final answer
    x = 676.97

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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.