Finding the Fourth Proportional to 135.18, 201.60 and 119.01
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Solution
The fourth proportional to 135.18, 201.60 and 119.01 is: 177.48
Step by Step Solution
- Step 1: Write the proportion equation
135.18 : 201.60 = 119.01 : x - Step 2: Convert to fraction form
135.18/201.60 = 119.01/x - Step 3: Cross multiply
135.18x = 201.60 × 119.01 - Step 4: Simplify right side
135.18x = 23,992.42 - Step 5: Solve for x
x = 23,992.42/135.18 - Step 6: Final answer
x = 177.48
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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.