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Finding the Fourth Proportional to 310.11, 427.62 and 244.50

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Solution

The fourth proportional to 310.11, 427.62 and 244.50 is: 337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.11 : 427.62 = 244.50 : x
  2. Step 2: Convert to fraction form
    310.11/427.62 = 244.50/x
  3. Step 3: Cross multiply
    310.11x = 427.62 × 244.50
  4. Step 4: Simplify right side
    310.11x = 104,553.09
  5. Step 5: Solve for x
    x = 104,553.09/310.11
  6. Step 6: Final answer
    x = 337.15

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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.