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Finding the Fourth Proportional to 343.56, 473.61 and 250.14

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Solution

The fourth proportional to 343.56, 473.61 and 250.14 is: 344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.56 : 473.61 = 250.14 : x
  2. Step 2: Convert to fraction form
    343.56/473.61 = 250.14/x
  3. Step 3: Cross multiply
    343.56x = 473.61 × 250.14
  4. Step 4: Simplify right side
    343.56x = 118,468.81
  5. Step 5: Solve for x
    x = 118,468.81/343.56
  6. Step 6: Final answer
    x = 344.83

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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.