Finding the Fourth Proportional to 201.99, 302.94 and 65.05
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Solution
The fourth proportional to 201.99, 302.94 and 65.05 is: 97.56
Step by Step Solution
- Step 1: Write the proportion equation
201.99 : 302.94 = 65.05 : x - Step 2: Convert to fraction form
201.99/302.94 = 65.05/x - Step 3: Cross multiply
201.99x = 302.94 × 65.05 - Step 4: Simplify right side
201.99x = 19,706.25 - Step 5: Solve for x
x = 19,706.25/201.99 - Step 6: Final answer
x = 97.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.