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Finding the Fourth Proportional to 199.48, 299 and 183.28

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Solution

The fourth proportional to 199.48, 299 and 183.28 is: 274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.48 : 299 = 183.28 : x
  2. Step 2: Convert to fraction form
    199.48/299 = 183.28/x
  3. Step 3: Cross multiply
    199.48x = 299 × 183.28
  4. Step 4: Simplify right side
    199.48x = 54,800.72
  5. Step 5: Solve for x
    x = 54,800.72/199.48
  6. Step 6: Final answer
    x = 274.72

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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.