Finding the Fourth Proportional to 201.69, 302.74 and 156.53
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Solution
The fourth proportional to 201.69, 302.74 and 156.53 is: 234.96
Step by Step Solution
- Step 1: Write the proportion equation
201.69 : 302.74 = 156.53 : x - Step 2: Convert to fraction form
201.69/302.74 = 156.53/x - Step 3: Cross multiply
201.69x = 302.74 × 156.53 - Step 4: Simplify right side
201.69x = 47,388.26 - Step 5: Solve for x
x = 47,388.26/201.69 - Step 6: Final answer
x = 234.96
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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.