Finding the Fourth Proportional to 344.97, 517.44 and 84.97
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Solution
The fourth proportional to 344.97, 517.44 and 84.97 is: 127.45
Step by Step Solution
- Step 1: Write the proportion equation
344.97 : 517.44 = 84.97 : x - Step 2: Convert to fraction form
344.97/517.44 = 84.97/x - Step 3: Cross multiply
344.97x = 517.44 × 84.97 - Step 4: Simplify right side
344.97x = 43,966.88 - Step 5: Solve for x
x = 43,966.88/344.97 - Step 6: Final answer
x = 127.45
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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.