Finding the Fourth Proportional to 201.14, 277.18 and 135.53
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Solution
The fourth proportional to 201.14, 277.18 and 135.53 is: 186.76
Step by Step Solution
- Step 1: Write the proportion equation
201.14 : 277.18 = 135.53 : x - Step 2: Convert to fraction form
201.14/277.18 = 135.53/x - Step 3: Cross multiply
201.14x = 277.18 × 135.53 - Step 4: Simplify right side
201.14x = 37,564.48 - Step 5: Solve for x
x = 37,564.48/201.14 - Step 6: Final answer
x = 186.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.