Finding the Fourth Proportional to 135.19, 201.76 and 119.02
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Solution
The fourth proportional to 135.19, 201.76 and 119.02 is: 177.63
Step by Step Solution
- Step 1: Write the proportion equation
135.19 : 201.76 = 119.02 : x - Step 2: Convert to fraction form
135.19/201.76 = 119.02/x - Step 3: Cross multiply
135.19x = 201.76 × 119.02 - Step 4: Simplify right side
135.19x = 24,013.48 - Step 5: Solve for x
x = 24,013.48/135.19 - Step 6: Final answer
x = 177.63
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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.