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Finding the Fourth Proportional to 252.42, 376.47 and 235.41

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Solution

The fourth proportional to 252.42, 376.47 and 235.41 is: 351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.42 : 376.47 = 235.41 : x
  2. Step 2: Convert to fraction form
    252.42/376.47 = 235.41/x
  3. Step 3: Cross multiply
    252.42x = 376.47 × 235.41
  4. Step 4: Simplify right side
    252.42x = 88,624.80
  5. Step 5: Solve for x
    x = 88,624.80/252.42
  6. Step 6: Final answer
    x = 351.10

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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.