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Finding the Fourth Proportional to 252.19, 376.23 and 228.61

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Solution

The fourth proportional to 252.19, 376.23 and 228.61 is: 341.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.19 : 376.23 = 228.61 : x
  2. Step 2: Convert to fraction form
    252.19/376.23 = 228.61/x
  3. Step 3: Cross multiply
    252.19x = 376.23 × 228.61
  4. Step 4: Simplify right side
    252.19x = 86,010.42
  5. Step 5: Solve for x
    x = 86,010.42/252.19
  6. Step 6: Final answer
    x = 341.06

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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.