Finding the Fourth Proportional to 366.94, 550.26 and 135.80
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Solution
The fourth proportional to 366.94, 550.26 and 135.80 is: 203.64
Step by Step Solution
- Step 1: Write the proportion equation
366.94 : 550.26 = 135.80 : x - Step 2: Convert to fraction form
366.94/550.26 = 135.80/x - Step 3: Cross multiply
366.94x = 550.26 × 135.80 - Step 4: Simplify right side
366.94x = 74,722.56 - Step 5: Solve for x
x = 74,722.56/366.94 - Step 6: Final answer
x = 203.64
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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.