Home / 1,308.26-1,962.36-334.37

Finding the Fourth Proportional to 1,308.26, 1,962.36 and 334.37

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Solution

The fourth proportional to 1,308.26, 1,962.36 and 334.37 is: 501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308.26 : 1,962.36 = 334.37 : x
  2. Step 2: Convert to fraction form
    1,308.26/1,962.36 = 334.37/x
  3. Step 3: Cross multiply
    1,308.26x = 1,962.36 × 334.37
  4. Step 4: Simplify right side
    1,308.26x = 656,154.31
  5. Step 5: Solve for x
    x = 656,154.31/1,308.26
  6. Step 6: Final answer
    x = 501.55

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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.