Finding the Fourth Proportional to 201.24, 277.80 and 166.68
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Solution
The fourth proportional to 201.24, 277.80 and 166.68 is: 230.09
Step by Step Solution
- Step 1: Write the proportion equation
201.24 : 277.80 = 166.68 : x - Step 2: Convert to fraction form
201.24/277.80 = 166.68/x - Step 3: Cross multiply
201.24x = 277.80 × 166.68 - Step 4: Simplify right side
201.24x = 46,303.70 - Step 5: Solve for x
x = 46,303.70/201.24 - Step 6: Final answer
x = 230.09
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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.