Finding the Fourth Proportional to 201.99, 302.84 and 124.84
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Solution
The fourth proportional to 201.99, 302.84 and 124.84 is: 187.17
Step by Step Solution
- Step 1: Write the proportion equation
201.99 : 302.84 = 124.84 : x - Step 2: Convert to fraction form
201.99/302.84 = 124.84/x - Step 3: Cross multiply
201.99x = 302.84 × 124.84 - Step 4: Simplify right side
201.99x = 37,806.77 - Step 5: Solve for x
x = 37,806.77/201.99 - Step 6: Final answer
x = 187.17
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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.