Finding the Fourth Proportional to 236.27, 325.98 and 137.99
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Solution
The fourth proportional to 236.27, 325.98 and 137.99 is: 190.39
Step by Step Solution
- Step 1: Write the proportion equation
236.27 : 325.98 = 137.99 : x - Step 2: Convert to fraction form
236.27/325.98 = 137.99/x - Step 3: Cross multiply
236.27x = 325.98 × 137.99 - Step 4: Simplify right side
236.27x = 44,982.80 - Step 5: Solve for x
x = 44,982.80/236.27 - Step 6: Final answer
x = 190.39
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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.