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Finding the Fourth Proportional to 250.86, 374.24 and 247.62

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Solution

The fourth proportional to 250.86, 374.24 and 247.62 is: 369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.86 : 374.24 = 247.62 : x
  2. Step 2: Convert to fraction form
    250.86/374.24 = 247.62/x
  3. Step 3: Cross multiply
    250.86x = 374.24 × 247.62
  4. Step 4: Simplify right side
    250.86x = 92,668.07
  5. Step 5: Solve for x
    x = 92,668.07/250.86
  6. Step 6: Final answer
    x = 369.40

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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.