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Finding the Fourth Proportional to 367.99, 507.83 and 220.63

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Solution

The fourth proportional to 367.99, 507.83 and 220.63 is: 304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.99 : 507.83 = 220.63 : x
  2. Step 2: Convert to fraction form
    367.99/507.83 = 220.63/x
  3. Step 3: Cross multiply
    367.99x = 507.83 × 220.63
  4. Step 4: Simplify right side
    367.99x = 112,042.53
  5. Step 5: Solve for x
    x = 112,042.53/367.99
  6. Step 6: Final answer
    x = 304.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.