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Finding the Fourth Proportional to 608.41, 911.94 and 283.60

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Solution

The fourth proportional to 608.41, 911.94 and 283.60 is: 425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.41 : 911.94 = 283.60 : x
  2. Step 2: Convert to fraction form
    608.41/911.94 = 283.60/x
  3. Step 3: Cross multiply
    608.41x = 911.94 × 283.60
  4. Step 4: Simplify right side
    608.41x = 258,626.18
  5. Step 5: Solve for x
    x = 258,626.18/608.41
  6. Step 6: Final answer
    x = 425.09

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Why These Related Problems?

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