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Finding the Fourth Proportional to 343.14, 514.10 and 180.47

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Solution

The fourth proportional to 343.14, 514.10 and 180.47 is: 270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.14 : 514.10 = 180.47 : x
  2. Step 2: Convert to fraction form
    343.14/514.10 = 180.47/x
  3. Step 3: Cross multiply
    343.14x = 514.10 × 180.47
  4. Step 4: Simplify right side
    343.14x = 92,777.51
  5. Step 5: Solve for x
    x = 92,777.51/343.14
  6. Step 6: Final answer
    x = 270.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.