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Finding the Fourth Proportional to 367.46, 507.01 and 220.06

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Solution

The fourth proportional to 367.46, 507.01 and 220.06 is: 303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.46 : 507.01 = 220.06 : x
  2. Step 2: Convert to fraction form
    367.46/507.01 = 220.06/x
  3. Step 3: Cross multiply
    367.46x = 507.01 × 220.06
  4. Step 4: Simplify right side
    367.46x = 111,572.62
  5. Step 5: Solve for x
    x = 111,572.62/367.46
  6. Step 6: Final answer
    x = 303.63

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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.