Finding the Fourth Proportional to 201.44, 302.27 and 79.70
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Solution
The fourth proportional to 201.44, 302.27 and 79.70 is: 119.59
Step by Step Solution
- Step 1: Write the proportion equation
201.44 : 302.27 = 79.70 : x - Step 2: Convert to fraction form
201.44/302.27 = 79.70/x - Step 3: Cross multiply
201.44x = 302.27 × 79.70 - Step 4: Simplify right side
201.44x = 24,090.71 - Step 5: Solve for x
x = 24,090.71/201.44 - Step 6: Final answer
x = 119.59
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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.