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Finding the Fourth Proportional to 367.70, 507.16 and 227.67

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Solution

The fourth proportional to 367.70, 507.16 and 227.67 is: 314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.70 : 507.16 = 227.67 : x
  2. Step 2: Convert to fraction form
    367.70/507.16 = 227.67/x
  3. Step 3: Cross multiply
    367.70x = 507.16 × 227.67
  4. Step 4: Simplify right side
    367.70x = 115,462.58
  5. Step 5: Solve for x
    x = 115,462.58/367.70
  6. Step 6: Final answer
    x = 314.02

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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.