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Finding the Fourth Proportional to 367.17, 549.70 and 338.46

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Solution

The fourth proportional to 367.17, 549.70 and 338.46 is: 506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.17 : 549.70 = 338.46 : x
  2. Step 2: Convert to fraction form
    367.17/549.70 = 338.46/x
  3. Step 3: Cross multiply
    367.17x = 549.70 × 338.46
  4. Step 4: Simplify right side
    367.17x = 186,051.46
  5. Step 5: Solve for x
    x = 186,051.46/367.17
  6. Step 6: Final answer
    x = 506.72

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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.