Finding the Fourth Proportional to 236.24, 325.86 and 137.99
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Solution
The fourth proportional to 236.24, 325.86 and 137.99 is: 190.34
Step by Step Solution
- Step 1: Write the proportion equation
236.24 : 325.86 = 137.99 : x - Step 2: Convert to fraction form
236.24/325.86 = 137.99/x - Step 3: Cross multiply
236.24x = 325.86 × 137.99 - Step 4: Simplify right side
236.24x = 44,963.79 - Step 5: Solve for x
x = 44,963.79/236.24 - Step 6: Final answer
x = 190.34
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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.