Home / 1,151.17-1,726.56-329.35

Finding the Fourth Proportional to 1,151.17, 1,726.56 and 329.35

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Solution

The fourth proportional to 1,151.17, 1,726.56 and 329.35 is: 493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.17 : 1,726.56 = 329.35 : x
  2. Step 2: Convert to fraction form
    1,151.17/1,726.56 = 329.35/x
  3. Step 3: Cross multiply
    1,151.17x = 1,726.56 × 329.35
  4. Step 4: Simplify right side
    1,151.17x = 568,642.54
  5. Step 5: Solve for x
    x = 568,642.54/1,151.17
  6. Step 6: Final answer
    x = 493.97

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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.