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Finding the Fourth Proportional to 262.08, 360.72 and 224.46

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Solution

The fourth proportional to 262.08, 360.72 and 224.46 is: 308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.08 : 360.72 = 224.46 : x
  2. Step 2: Convert to fraction form
    262.08/360.72 = 224.46/x
  3. Step 3: Cross multiply
    262.08x = 360.72 × 224.46
  4. Step 4: Simplify right side
    262.08x = 80,967.21
  5. Step 5: Solve for x
    x = 80,967.21/262.08
  6. Step 6: Final answer
    x = 308.94

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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.