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Finding the Fourth Proportional to 237.75, 356.23 and 100.49

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Solution

The fourth proportional to 237.75, 356.23 and 100.49 is: 150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.75 : 356.23 = 100.49 : x
  2. Step 2: Convert to fraction form
    237.75/356.23 = 100.49/x
  3. Step 3: Cross multiply
    237.75x = 356.23 × 100.49
  4. Step 4: Simplify right side
    237.75x = 35,797.55
  5. Step 5: Solve for x
    x = 35,797.55/237.75
  6. Step 6: Final answer
    x = 150.57

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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.