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Finding the Fourth Proportional to 299.13, 412.74 and 182.67

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Solution

The fourth proportional to 299.13, 412.74 and 182.67 is: 252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.13 : 412.74 = 182.67 : x
  2. Step 2: Convert to fraction form
    299.13/412.74 = 182.67/x
  3. Step 3: Cross multiply
    299.13x = 412.74 × 182.67
  4. Step 4: Simplify right side
    299.13x = 75,395.22
  5. Step 5: Solve for x
    x = 75,395.22/299.13
  6. Step 6: Final answer
    x = 252.05

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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.