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Finding the Fourth Proportional to 247.29, 341.13 and 164.52

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Solution

The fourth proportional to 247.29, 341.13 and 164.52 is: 226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.29 : 341.13 = 164.52 : x
  2. Step 2: Convert to fraction form
    247.29/341.13 = 164.52/x
  3. Step 3: Cross multiply
    247.29x = 341.13 × 164.52
  4. Step 4: Simplify right side
    247.29x = 56,122.71
  5. Step 5: Solve for x
    x = 56,122.71/247.29
  6. Step 6: Final answer
    x = 226.95

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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.