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Finding the Fourth Proportional to 683.58, 941.04 and 617.88

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Solution

The fourth proportional to 683.58, 941.04 and 617.88 is: 850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.58 : 941.04 = 617.88 : x
  2. Step 2: Convert to fraction form
    683.58/941.04 = 617.88/x
  3. Step 3: Cross multiply
    683.58x = 941.04 × 617.88
  4. Step 4: Simplify right side
    683.58x = 581,449.80
  5. Step 5: Solve for x
    x = 581,449.80/683.58
  6. Step 6: Final answer
    x = 850.60

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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.