Finding the Fourth Proportional to 366.99, 550.74 and 161.70
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Solution
The fourth proportional to 366.99, 550.74 and 161.70 is: 242.66
Step by Step Solution
- Step 1: Write the proportion equation
366.99 : 550.74 = 161.70 : x - Step 2: Convert to fraction form
366.99/550.74 = 161.70/x - Step 3: Cross multiply
366.99x = 550.74 × 161.70 - Step 4: Simplify right side
366.99x = 89,054.66 - Step 5: Solve for x
x = 89,054.66/366.99 - Step 6: Final answer
x = 242.66
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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.