Finding the Fourth Proportional to 378.98, 568.63 and 241.99
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Solution
The fourth proportional to 378.98, 568.63 and 241.99 is: 363.09
Step by Step Solution
- Step 1: Write the proportion equation
378.98 : 568.63 = 241.99 : x - Step 2: Convert to fraction form
378.98/568.63 = 241.99/x - Step 3: Cross multiply
378.98x = 568.63 × 241.99 - Step 4: Simplify right side
378.98x = 137,602.77 - Step 5: Solve for x
x = 137,602.77/378.98 - Step 6: Final answer
x = 363.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.