Finding the Fourth Proportional to 224.94, 336.36 and 221.70
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Solution
The fourth proportional to 224.94, 336.36 and 221.70 is: 331.52
Step by Step Solution
- Step 1: Write the proportion equation
224.94 : 336.36 = 221.70 : x - Step 2: Convert to fraction form
224.94/336.36 = 221.70/x - Step 3: Cross multiply
224.94x = 336.36 × 221.70 - Step 4: Simplify right side
224.94x = 74,571.01 - Step 5: Solve for x
x = 74,571.01/224.94 - Step 6: Final answer
x = 331.52
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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.