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Finding the Fourth Proportional to 237.34, 356.10 and 121.84

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Solution

The fourth proportional to 237.34, 356.10 and 121.84 is: 182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.34 : 356.10 = 121.84 : x
  2. Step 2: Convert to fraction form
    237.34/356.10 = 121.84/x
  3. Step 3: Cross multiply
    237.34x = 356.10 × 121.84
  4. Step 4: Simplify right side
    237.34x = 43,387.22
  5. Step 5: Solve for x
    x = 43,387.22/237.34
  6. Step 6: Final answer
    x = 182.81

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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.