Finding the Fourth Proportional to 160.44, 240.45 and 115.08
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Solution
The fourth proportional to 160.44, 240.45 and 115.08 is: 172.47
Step by Step Solution
- Step 1: Write the proportion equation
160.44 : 240.45 = 115.08 : x - Step 2: Convert to fraction form
160.44/240.45 = 115.08/x - Step 3: Cross multiply
160.44x = 240.45 × 115.08 - Step 4: Simplify right side
160.44x = 27,670.99 - Step 5: Solve for x
x = 27,670.99/160.44 - Step 6: Final answer
x = 172.47
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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.