Finding the Fourth Proportional to 177.97, 266.45 and 122.99
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Solution
The fourth proportional to 177.97, 266.45 and 122.99 is: 184.14
Step by Step Solution
- Step 1: Write the proportion equation
177.97 : 266.45 = 122.99 : x - Step 2: Convert to fraction form
177.97/266.45 = 122.99/x - Step 3: Cross multiply
177.97x = 266.45 × 122.99 - Step 4: Simplify right side
177.97x = 32,770.69 - Step 5: Solve for x
x = 32,770.69/177.97 - Step 6: Final answer
x = 184.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.