Finding the Fourth Proportional to 241.94, 361.09 and 218.99
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Solution
The fourth proportional to 241.94, 361.09 and 218.99 is: 326.84
Step by Step Solution
- Step 1: Write the proportion equation
241.94 : 361.09 = 218.99 : x - Step 2: Convert to fraction form
241.94/361.09 = 218.99/x - Step 3: Cross multiply
241.94x = 361.09 × 218.99 - Step 4: Simplify right side
241.94x = 79,075.10 - Step 5: Solve for x
x = 79,075.10/241.94 - Step 6: Final answer
x = 326.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.