Finding the Fourth Proportional to 135.81, 186.18 and 133.68
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Solution
The fourth proportional to 135.81, 186.18 and 133.68 is: 183.26
Step by Step Solution
- Step 1: Write the proportion equation
135.81 : 186.18 = 133.68 : x - Step 2: Convert to fraction form
135.81/186.18 = 133.68/x - Step 3: Cross multiply
135.81x = 186.18 × 133.68 - Step 4: Simplify right side
135.81x = 24,887.87 - Step 5: Solve for x
x = 24,887.87/135.81 - Step 6: Final answer
x = 183.26
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.