Finding the Fourth Proportional to 174.09, 260.99 and 96.99
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Solution
The fourth proportional to 174.09, 260.99 and 96.99 is: 145.40
Step by Step Solution
- Step 1: Write the proportion equation
174.09 : 260.99 = 96.99 : x - Step 2: Convert to fraction form
174.09/260.99 = 96.99/x - Step 3: Cross multiply
174.09x = 260.99 × 96.99 - Step 4: Simplify right side
174.09x = 25,312.94 - Step 5: Solve for x
x = 25,312.94/174.09 - Step 6: Final answer
x = 145.40
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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.