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Finding the Fourth Proportional to 174.76, 240.57 and 150.05

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Solution

The fourth proportional to 174.76, 240.57 and 150.05 is: 206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.76 : 240.57 = 150.05 : x
  2. Step 2: Convert to fraction form
    174.76/240.57 = 150.05/x
  3. Step 3: Cross multiply
    174.76x = 240.57 × 150.05
  4. Step 4: Simplify right side
    174.76x = 36,098.13
  5. Step 5: Solve for x
    x = 36,098.13/174.76
  6. Step 6: Final answer
    x = 206.56

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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.