Finding the Fourth Proportional to 224.24, 336.36 and 79.95
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Solution
The fourth proportional to 224.24, 336.36 and 79.95 is: 119.92
Step by Step Solution
- Step 1: Write the proportion equation
224.24 : 336.36 = 79.95 : x - Step 2: Convert to fraction form
224.24/336.36 = 79.95/x - Step 3: Cross multiply
224.24x = 336.36 × 79.95 - Step 4: Simplify right side
224.24x = 26,891.14 - Step 5: Solve for x
x = 26,891.14/224.24 - Step 6: Final answer
x = 119.92
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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.