Home / 1,308.38-1,962.59-334.49

Finding the Fourth Proportional to 1,308.38, 1,962.59 and 334.49

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Solution

The fourth proportional to 1,308.38, 1,962.59 and 334.49 is: 501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308.38 : 1,962.59 = 334.49 : x
  2. Step 2: Convert to fraction form
    1,308.38/1,962.59 = 334.49/x
  3. Step 3: Cross multiply
    1,308.38x = 1,962.59 × 334.49
  4. Step 4: Simplify right side
    1,308.38x = 656,469.96
  5. Step 5: Solve for x
    x = 656,469.96/1,308.38
  6. Step 6: Final answer
    x = 501.74

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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.