Finding the Fourth Proportional to 174.23, 260.69 and 122.99
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Solution
The fourth proportional to 174.23, 260.69 and 122.99 is: 184.03
Step by Step Solution
- Step 1: Write the proportion equation
174.23 : 260.69 = 122.99 : x - Step 2: Convert to fraction form
174.23/260.69 = 122.99/x - Step 3: Cross multiply
174.23x = 260.69 × 122.99 - Step 4: Simplify right side
174.23x = 32,062.26 - Step 5: Solve for x
x = 32,062.26/174.23 - Step 6: Final answer
x = 184.03
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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.