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Finding the Fourth Proportional to 607.33, 911.10 and 217.34

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Solution

The fourth proportional to 607.33, 911.10 and 217.34 is: 326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.33 : 911.10 = 217.34 : x
  2. Step 2: Convert to fraction form
    607.33/911.10 = 217.34/x
  3. Step 3: Cross multiply
    607.33x = 911.10 × 217.34
  4. Step 4: Simplify right side
    607.33x = 198,013.92
  5. Step 5: Solve for x
    x = 198,013.92/607.33
  6. Step 6: Final answer
    x = 326.04

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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.