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Finding the Fourth Proportional to 342.53, 514.83 and 227.37

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Solution

The fourth proportional to 342.53, 514.83 and 227.37 is: 341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.53 : 514.83 = 227.37 : x
  2. Step 2: Convert to fraction form
    342.53/514.83 = 227.37/x
  3. Step 3: Cross multiply
    342.53x = 514.83 × 227.37
  4. Step 4: Simplify right side
    342.53x = 117,056.90
  5. Step 5: Solve for x
    x = 117,056.90/342.53
  6. Step 6: Final answer
    x = 341.74

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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.