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Finding the Fourth Proportional to 698.04, 967.91 and 674.68

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Solution

The fourth proportional to 698.04, 967.91 and 674.68 is: 935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    698.04 : 967.91 = 674.68 : x
  2. Step 2: Convert to fraction form
    698.04/967.91 = 674.68/x
  3. Step 3: Cross multiply
    698.04x = 967.91 × 674.68
  4. Step 4: Simplify right side
    698.04x = 653,028.88
  5. Step 5: Solve for x
    x = 653,028.88/698.04
  6. Step 6: Final answer
    x = 935.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.