Finding the Fourth Proportional to 272.48, 375.75 and 249.99
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Solution
The fourth proportional to 272.48, 375.75 and 249.99 is: 344.74
Step by Step Solution
- Step 1: Write the proportion equation
272.48 : 375.75 = 249.99 : x - Step 2: Convert to fraction form
272.48/375.75 = 249.99/x - Step 3: Cross multiply
272.48x = 375.75 × 249.99 - Step 4: Simplify right side
272.48x = 93,933.74 - Step 5: Solve for x
x = 93,933.74/272.48 - Step 6: Final answer
x = 344.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.