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Finding the Fourth Proportional to 247.41, 341.45 and 185.13

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Solution

The fourth proportional to 247.41, 341.45 and 185.13 is: 255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.41 : 341.45 = 185.13 : x
  2. Step 2: Convert to fraction form
    247.41/341.45 = 185.13/x
  3. Step 3: Cross multiply
    247.41x = 341.45 × 185.13
  4. Step 4: Simplify right side
    247.41x = 63,211.71
  5. Step 5: Solve for x
    x = 63,211.71/247.41
  6. Step 6: Final answer
    x = 255.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.