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Finding the Fourth Proportional to 247.99, 370.27 and 245.52

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Solution

The fourth proportional to 247.99, 370.27 and 245.52 is: 366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.99 : 370.27 = 245.52 : x
  2. Step 2: Convert to fraction form
    247.99/370.27 = 245.52/x
  3. Step 3: Cross multiply
    247.99x = 370.27 × 245.52
  4. Step 4: Simplify right side
    247.99x = 90,909.65
  5. Step 5: Solve for x
    x = 90,909.65/247.99
  6. Step 6: Final answer
    x = 366.59

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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.