Finding the Fourth Proportional to 201.13, 277.44 and 145.99
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Solution
The fourth proportional to 201.13, 277.44 and 145.99 is: 201.38
Step by Step Solution
- Step 1: Write the proportion equation
201.13 : 277.44 = 145.99 : x - Step 2: Convert to fraction form
201.13/277.44 = 145.99/x - Step 3: Cross multiply
201.13x = 277.44 × 145.99 - Step 4: Simplify right side
201.13x = 40,503.47 - Step 5: Solve for x
x = 40,503.47/201.13 - Step 6: Final answer
x = 201.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.