Finding the Fourth Proportional to 224.24, 336.08 and 79.80
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Solution
The fourth proportional to 224.24, 336.08 and 79.80 is: 119.60
Step by Step Solution
- Step 1: Write the proportion equation
224.24 : 336.08 = 79.80 : x - Step 2: Convert to fraction form
224.24/336.08 = 79.80/x - Step 3: Cross multiply
224.24x = 336.08 × 79.80 - Step 4: Simplify right side
224.24x = 26,819.18 - Step 5: Solve for x
x = 26,819.18/224.24 - Step 6: Final answer
x = 119.60
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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.