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Finding the Fourth Proportional to 252.56, 375.96 and 251.19

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Solution

The fourth proportional to 252.56, 375.96 and 251.19 is: 373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.56 : 375.96 = 251.19 : x
  2. Step 2: Convert to fraction form
    252.56/375.96 = 251.19/x
  3. Step 3: Cross multiply
    252.56x = 375.96 × 251.19
  4. Step 4: Simplify right side
    252.56x = 94,437.39
  5. Step 5: Solve for x
    x = 94,437.39/252.56
  6. Step 6: Final answer
    x = 373.93

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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.