Finding the Fourth Proportional to 155.67, 232.97 and 114.99
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Solution
The fourth proportional to 155.67, 232.97 and 114.99 is: 172.09
Step by Step Solution
- Step 1: Write the proportion equation
155.67 : 232.97 = 114.99 : x - Step 2: Convert to fraction form
155.67/232.97 = 114.99/x - Step 3: Cross multiply
155.67x = 232.97 × 114.99 - Step 4: Simplify right side
155.67x = 26,788.65 - Step 5: Solve for x
x = 26,788.65/155.67 - Step 6: Final answer
x = 172.09
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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.