Finding the Fourth Proportional to 290.97, 400.95 and 244.26
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Solution
The fourth proportional to 290.97, 400.95 and 244.26 is: 336.58
Step by Step Solution
- Step 1: Write the proportion equation
290.97 : 400.95 = 244.26 : x - Step 2: Convert to fraction form
290.97/400.95 = 244.26/x - Step 3: Cross multiply
290.97x = 400.95 × 244.26 - Step 4: Simplify right side
290.97x = 97,936.05 - Step 5: Solve for x
x = 97,936.05/290.97 - Step 6: Final answer
x = 336.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.