Finding the Fourth Proportional to 152.10, 227.49 and 135.99
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Solution
The fourth proportional to 152.10, 227.49 and 135.99 is: 203.39
Step by Step Solution
- Step 1: Write the proportion equation
152.10 : 227.49 = 135.99 : x - Step 2: Convert to fraction form
152.10/227.49 = 135.99/x - Step 3: Cross multiply
152.10x = 227.49 × 135.99 - Step 4: Simplify right side
152.10x = 30,936.37 - Step 5: Solve for x
x = 30,936.37/152.10 - Step 6: Final answer
x = 203.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.