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Finding the Fourth Proportional to 252.53, 376.86 and 225.19

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Solution

The fourth proportional to 252.53, 376.86 and 225.19 is: 336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.53 : 376.86 = 225.19 : x
  2. Step 2: Convert to fraction form
    252.53/376.86 = 225.19/x
  3. Step 3: Cross multiply
    252.53x = 376.86 × 225.19
  4. Step 4: Simplify right side
    252.53x = 84,866.42
  5. Step 5: Solve for x
    x = 84,866.42/252.53
  6. Step 6: Final answer
    x = 336.07

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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.