Finding the Fourth Proportional to 272.68, 408.26 and 157.03
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Solution
The fourth proportional to 272.68, 408.26 and 157.03 is: 235.11
Step by Step Solution
- Step 1: Write the proportion equation
272.68 : 408.26 = 157.03 : x - Step 2: Convert to fraction form
272.68/408.26 = 157.03/x - Step 3: Cross multiply
272.68x = 408.26 × 157.03 - Step 4: Simplify right side
272.68x = 64,108.44 - Step 5: Solve for x
x = 64,108.44/272.68 - Step 6: Final answer
x = 235.11
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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.