Finding the Fourth Proportional to 272.48, 376.26 and 173.09
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Solution
The fourth proportional to 272.48, 376.26 and 173.09 is: 239.01
Step by Step Solution
- Step 1: Write the proportion equation
272.48 : 376.26 = 173.09 : x - Step 2: Convert to fraction form
272.48/376.26 = 173.09/x - Step 3: Cross multiply
272.48x = 376.26 × 173.09 - Step 4: Simplify right side
272.48x = 65,125.99 - Step 5: Solve for x
x = 65,125.99/272.48 - Step 6: Final answer
x = 239.01
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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.