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Finding the Fourth Proportional to 402.97, 556.11 and 237.19

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Solution

The fourth proportional to 402.97, 556.11 and 237.19 is: 327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    402.97 : 556.11 = 237.19 : x
  2. Step 2: Convert to fraction form
    402.97/556.11 = 237.19/x
  3. Step 3: Cross multiply
    402.97x = 556.11 × 237.19
  4. Step 4: Simplify right side
    402.97x = 131,903.73
  5. Step 5: Solve for x
    x = 131,903.73/402.97
  6. Step 6: Final answer
    x = 327.33

Related Problems

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Double scale
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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.