Finding the Fourth Proportional to 366.77, 550.11 and 135.53
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Solution
The fourth proportional to 366.77, 550.11 and 135.53 is: 203.28
Step by Step Solution
- Step 1: Write the proportion equation
366.77 : 550.11 = 135.53 : x - Step 2: Convert to fraction form
366.77/550.11 = 135.53/x - Step 3: Cross multiply
366.77x = 550.11 × 135.53 - Step 4: Simplify right side
366.77x = 74,556.41 - Step 5: Solve for x
x = 74,556.41/366.77 - Step 6: Final answer
x = 203.28
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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.