Finding the Fourth Proportional to 366.93, 550.40 and 135.81
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Solution
The fourth proportional to 366.93, 550.40 and 135.81 is: 203.72
Step by Step Solution
- Step 1: Write the proportion equation
366.93 : 550.40 = 135.81 : x - Step 2: Convert to fraction form
366.93/550.40 = 135.81/x - Step 3: Cross multiply
366.93x = 550.40 × 135.81 - Step 4: Simplify right side
366.93x = 74,749.14 - Step 5: Solve for x
x = 74,749.14/366.93 - Step 6: Final answer
x = 203.72
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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.