Finding the Fourth Proportional to 135.07, 186.37 and 88.39
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Solution
The fourth proportional to 135.07, 186.37 and 88.39 is: 121.96
Step by Step Solution
- Step 1: Write the proportion equation
135.07 : 186.37 = 88.39 : x - Step 2: Convert to fraction form
135.07/186.37 = 88.39/x - Step 3: Cross multiply
135.07x = 186.37 × 88.39 - Step 4: Simplify right side
135.07x = 16,473.24 - Step 5: Solve for x
x = 16,473.24/135.07 - Step 6: Final answer
x = 121.96
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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.