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Finding the Fourth Proportional to 240.10, 359.54 and 201.50

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Solution

The fourth proportional to 240.10, 359.54 and 201.50 is: 301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.10 : 359.54 = 201.50 : x
  2. Step 2: Convert to fraction form
    240.10/359.54 = 201.50/x
  3. Step 3: Cross multiply
    240.10x = 359.54 × 201.50
  4. Step 4: Simplify right side
    240.10x = 72,447.31
  5. Step 5: Solve for x
    x = 72,447.31/240.10
  6. Step 6: Final answer
    x = 301.74

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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.