Finding the Fourth Proportional to 224.28, 336.44 and 79.96
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Solution
The fourth proportional to 224.28, 336.44 and 79.96 is: 119.95
Step by Step Solution
- Step 1: Write the proportion equation
224.28 : 336.44 = 79.96 : x - Step 2: Convert to fraction form
224.28/336.44 = 79.96/x - Step 3: Cross multiply
224.28x = 336.44 × 79.96 - Step 4: Simplify right side
224.28x = 26,901.74 - Step 5: Solve for x
x = 26,901.74/224.28 - Step 6: Final answer
x = 119.95
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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.