Finding the Fourth Proportional to 222.93, 307.26 and 180.99
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Solution
The fourth proportional to 222.93, 307.26 and 180.99 is: 249.45
Step by Step Solution
- Step 1: Write the proportion equation
222.93 : 307.26 = 180.99 : x - Step 2: Convert to fraction form
222.93/307.26 = 180.99/x - Step 3: Cross multiply
222.93x = 307.26 × 180.99 - Step 4: Simplify right side
222.93x = 55,610.99 - Step 5: Solve for x
x = 55,610.99/222.93 - Step 6: Final answer
x = 249.45
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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.