Home / 1,308.12-1,962.17-334.22

Finding the Fourth Proportional to 1,308.12, 1,962.17 and 334.22

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Solution

The fourth proportional to 1,308.12, 1,962.17 and 334.22 is: 501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308.12 : 1,962.17 = 334.22 : x
  2. Step 2: Convert to fraction form
    1,308.12/1,962.17 = 334.22/x
  3. Step 3: Cross multiply
    1,308.12x = 1,962.17 × 334.22
  4. Step 4: Simplify right side
    1,308.12x = 655,784.98
  5. Step 5: Solve for x
    x = 655,784.98/1,308.12
  6. Step 6: Final answer
    x = 501.32

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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.