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Finding the Fourth Proportional to 609.50, 841.11 and 333.50

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Solution

The fourth proportional to 609.50, 841.11 and 333.50 is: 460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.50 : 841.11 = 333.50 : x
  2. Step 2: Convert to fraction form
    609.50/841.11 = 333.50/x
  3. Step 3: Cross multiply
    609.50x = 841.11 × 333.50
  4. Step 4: Simplify right side
    609.50x = 280,510.19
  5. Step 5: Solve for x
    x = 280,510.19/609.50
  6. Step 6: Final answer
    x = 460.23

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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.