Finding the Fourth Proportional to 227.19, 313.54 and 177.99
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Solution
The fourth proportional to 227.19, 313.54 and 177.99 is: 245.63
Step by Step Solution
- Step 1: Write the proportion equation
227.19 : 313.54 = 177.99 : x - Step 2: Convert to fraction form
227.19/313.54 = 177.99/x - Step 3: Cross multiply
227.19x = 313.54 × 177.99 - Step 4: Simplify right side
227.19x = 55,804.53 - Step 5: Solve for x
x = 55,804.53/227.19 - Step 6: Final answer
x = 245.63
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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.