Finding the Fourth Proportional to 135.15, 201.09 and 134.67
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Solution
The fourth proportional to 135.15, 201.09 and 134.67 is: 200.38
Step by Step Solution
- Step 1: Write the proportion equation
135.15 : 201.09 = 134.67 : x - Step 2: Convert to fraction form
135.15/201.09 = 134.67/x - Step 3: Cross multiply
135.15x = 201.09 × 134.67 - Step 4: Simplify right side
135.15x = 27,080.79 - Step 5: Solve for x
x = 27,080.79/135.15 - Step 6: Final answer
x = 200.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.