Finding the Fourth Proportional to 177.24, 244.70 and 122.06
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Solution
The fourth proportional to 177.24, 244.70 and 122.06 is: 168.52
Step by Step Solution
- Step 1: Write the proportion equation
177.24 : 244.70 = 122.06 : x - Step 2: Convert to fraction form
177.24/244.70 = 122.06/x - Step 3: Cross multiply
177.24x = 244.70 × 122.06 - Step 4: Simplify right side
177.24x = 29,868.08 - Step 5: Solve for x
x = 29,868.08/177.24 - Step 6: Final answer
x = 168.52
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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.