Finding the Fourth Proportional to 268.43, 403.09 and 241.99
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Solution
The fourth proportional to 268.43, 403.09 and 241.99 is: 363.39
Step by Step Solution
- Step 1: Write the proportion equation
268.43 : 403.09 = 241.99 : x - Step 2: Convert to fraction form
268.43/403.09 = 241.99/x - Step 3: Cross multiply
268.43x = 403.09 × 241.99 - Step 4: Simplify right side
268.43x = 97,542.14 - Step 5: Solve for x
x = 97,542.14/268.43 - Step 6: Final answer
x = 363.39
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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.