Finding the Fourth Proportional to 177.77, 245.28 and 144.97
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Solution
The fourth proportional to 177.77, 245.28 and 144.97 is: 200.02
Step by Step Solution
- Step 1: Write the proportion equation
177.77 : 245.28 = 144.97 : x - Step 2: Convert to fraction form
177.77/245.28 = 144.97/x - Step 3: Cross multiply
177.77x = 245.28 × 144.97 - Step 4: Simplify right side
177.77x = 35,558.24 - Step 5: Solve for x
x = 35,558.24/177.77 - Step 6: Final answer
x = 200.02
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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.