Finding the Fourth Proportional to 201.40, 302.08 and 93.18
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Solution
The fourth proportional to 201.40, 302.08 and 93.18 is: 139.76
Step by Step Solution
- Step 1: Write the proportion equation
201.40 : 302.08 = 93.18 : x - Step 2: Convert to fraction form
201.40/302.08 = 93.18/x - Step 3: Cross multiply
201.40x = 302.08 × 93.18 - Step 4: Simplify right side
201.40x = 28,147.81 - Step 5: Solve for x
x = 28,147.81/201.40 - Step 6: Final answer
x = 139.76
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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.