Finding the Fourth Proportional to 201.68, 302.64 and 155.84
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Solution
The fourth proportional to 201.68, 302.64 and 155.84 is: 233.85
Step by Step Solution
- Step 1: Write the proportion equation
201.68 : 302.64 = 155.84 : x - Step 2: Convert to fraction form
201.68/302.64 = 155.84/x - Step 3: Cross multiply
201.68x = 302.64 × 155.84 - Step 4: Simplify right side
201.68x = 47,163.42 - Step 5: Solve for x
x = 47,163.42/201.68 - Step 6: Final answer
x = 233.85
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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.