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Finding the Fourth Proportional to 253.42, 377.96 and 236.41

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Solution

The fourth proportional to 253.42, 377.96 and 236.41 is: 352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.42 : 377.96 = 236.41 : x
  2. Step 2: Convert to fraction form
    253.42/377.96 = 236.41/x
  3. Step 3: Cross multiply
    253.42x = 377.96 × 236.41
  4. Step 4: Simplify right side
    253.42x = 89,353.52
  5. Step 5: Solve for x
    x = 89,353.52/253.42
  6. Step 6: Final answer
    x = 352.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.