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Finding the Fourth Proportional to 253.37, 377.24 and 252.15

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Solution

The fourth proportional to 253.37, 377.24 and 252.15 is: 375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.37 : 377.24 = 252.15 : x
  2. Step 2: Convert to fraction form
    253.37/377.24 = 252.15/x
  3. Step 3: Cross multiply
    253.37x = 377.24 × 252.15
  4. Step 4: Simplify right side
    253.37x = 95,119.81
  5. Step 5: Solve for x
    x = 95,119.81/253.37
  6. Step 6: Final answer
    x = 375.43

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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.