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Finding the Fourth Proportional to 334.20, 499.59 and 246.72

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Solution

The fourth proportional to 334.20, 499.59 and 246.72 is: 368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.20 : 499.59 = 246.72 : x
  2. Step 2: Convert to fraction form
    334.20/499.59 = 246.72/x
  3. Step 3: Cross multiply
    334.20x = 499.59 × 246.72
  4. Step 4: Simplify right side
    334.20x = 123,260.01
  5. Step 5: Solve for x
    x = 123,260.01/334.20
  6. Step 6: Final answer
    x = 368.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.