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Finding the Fourth Proportional to 604, 905.22 and 343.60

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Solution

The fourth proportional to 604, 905.22 and 343.60 is: 514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    604 : 905.22 = 343.60 : x
  2. Step 2: Convert to fraction form
    604/905.22 = 343.60/x
  3. Step 3: Cross multiply
    604x = 905.22 × 343.60
  4. Step 4: Simplify right side
    604x = 311,033.59
  5. Step 5: Solve for x
    x = 311,033.59/604
  6. Step 6: Final answer
    x = 514.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.