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Finding the Fourth Proportional to 240.10, 330.99 and 169.95

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Solution

The fourth proportional to 240.10, 330.99 and 169.95 is: 234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.10 : 330.99 = 169.95 : x
  2. Step 2: Convert to fraction form
    240.10/330.99 = 169.95/x
  3. Step 3: Cross multiply
    240.10x = 330.99 × 169.95
  4. Step 4: Simplify right side
    240.10x = 56,250.10
  5. Step 5: Solve for x
    x = 56,250.10/240.10
  6. Step 6: Final answer
    x = 234.28

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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.