Finding the Fourth Proportional to 272.98, 409.11 and 157.49
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Solution
The fourth proportional to 272.98, 409.11 and 157.49 is: 236.03
Step by Step Solution
- Step 1: Write the proportion equation
272.98 : 409.11 = 157.49 : x - Step 2: Convert to fraction form
272.98/409.11 = 157.49/x - Step 3: Cross multiply
272.98x = 409.11 × 157.49 - Step 4: Simplify right side
272.98x = 64,430.73 - Step 5: Solve for x
x = 64,430.73/272.98 - Step 6: Final answer
x = 236.03
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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.