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Finding the Fourth Proportional to 341.80, 471.80 and 248.52

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Solution

The fourth proportional to 341.80, 471.80 and 248.52 is: 343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.80 : 471.80 = 248.52 : x
  2. Step 2: Convert to fraction form
    341.80/471.80 = 248.52/x
  3. Step 3: Cross multiply
    341.80x = 471.80 × 248.52
  4. Step 4: Simplify right side
    341.80x = 117,251.74
  5. Step 5: Solve for x
    x = 117,251.74/341.80
  6. Step 6: Final answer
    x = 343.04

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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.