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Finding the Fourth Proportional to 335.12, 504.56 and 299.84

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Solution

The fourth proportional to 335.12, 504.56 and 299.84 is: 451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.12 : 504.56 = 299.84 : x
  2. Step 2: Convert to fraction form
    335.12/504.56 = 299.84/x
  3. Step 3: Cross multiply
    335.12x = 504.56 × 299.84
  4. Step 4: Simplify right side
    335.12x = 151,287.27
  5. Step 5: Solve for x
    x = 151,287.27/335.12
  6. Step 6: Final answer
    x = 451.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.