Finding the Fourth Proportional to 224.09, 336.14 and 79.80
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Solution
The fourth proportional to 224.09, 336.14 and 79.80 is: 119.71
Step by Step Solution
- Step 1: Write the proportion equation
224.09 : 336.14 = 79.80 : x - Step 2: Convert to fraction form
224.09/336.14 = 79.80/x - Step 3: Cross multiply
224.09x = 336.14 × 79.80 - Step 4: Simplify right side
224.09x = 26,825.67 - Step 5: Solve for x
x = 26,825.67/224.09 - Step 6: Final answer
x = 119.71
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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.