Finding the Fourth Proportional to 201.34, 302.43 and 178.99
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Solution
The fourth proportional to 201.34, 302.43 and 178.99 is: 268.86
Step by Step Solution
- Step 1: Write the proportion equation
201.34 : 302.43 = 178.99 : x - Step 2: Convert to fraction form
201.34/302.43 = 178.99/x - Step 3: Cross multiply
201.34x = 302.43 × 178.99 - Step 4: Simplify right side
201.34x = 54,131.95 - Step 5: Solve for x
x = 54,131.95/201.34 - Step 6: Final answer
x = 268.86
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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.