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Finding the Fourth Proportional to 252.90, 376.88 and 246.96

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Solution

The fourth proportional to 252.90, 376.88 and 246.96 is: 368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.90 : 376.88 = 246.96 : x
  2. Step 2: Convert to fraction form
    252.90/376.88 = 246.96/x
  3. Step 3: Cross multiply
    252.90x = 376.88 × 246.96
  4. Step 4: Simplify right side
    252.90x = 93,073.05
  5. Step 5: Solve for x
    x = 93,073.05/252.90
  6. Step 6: Final answer
    x = 368.02

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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.