Finding the Fourth Proportional to 135.11, 186.48 and 98.26
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Solution
The fourth proportional to 135.11, 186.48 and 98.26 is: 135.61
Step by Step Solution
- Step 1: Write the proportion equation
135.11 : 186.48 = 98.26 : x - Step 2: Convert to fraction form
135.11/186.48 = 98.26/x - Step 3: Cross multiply
135.11x = 186.48 × 98.26 - Step 4: Simplify right side
135.11x = 18,323.06 - Step 5: Solve for x
x = 18,323.06/135.11 - Step 6: Final answer
x = 135.61
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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.