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Finding the Fourth Proportional to 339.19, 465.27 and 336.26

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Solution

The fourth proportional to 339.19, 465.27 and 336.26 is: 461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.19 : 465.27 = 336.26 : x
  2. Step 2: Convert to fraction form
    339.19/465.27 = 336.26/x
  3. Step 3: Cross multiply
    339.19x = 465.27 × 336.26
  4. Step 4: Simplify right side
    339.19x = 156,451.59
  5. Step 5: Solve for x
    x = 156,451.59/339.19
  6. Step 6: Final answer
    x = 461.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.