Finding the Fourth Proportional to 201.84, 302.76 and 110.94
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Solution
The fourth proportional to 201.84, 302.76 and 110.94 is: 166.41
Step by Step Solution
- Step 1: Write the proportion equation
201.84 : 302.76 = 110.94 : x - Step 2: Convert to fraction form
201.84/302.76 = 110.94/x - Step 3: Cross multiply
201.84x = 302.76 × 110.94 - Step 4: Simplify right side
201.84x = 33,588.19 - Step 5: Solve for x
x = 33,588.19/201.84 - Step 6: Final answer
x = 166.41
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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.