Finding the Fourth Proportional to 266.09, 366.12 and 225.99
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Solution
The fourth proportional to 266.09, 366.12 and 225.99 is: 310.95
Step by Step Solution
- Step 1: Write the proportion equation
266.09 : 366.12 = 225.99 : x - Step 2: Convert to fraction form
266.09/366.12 = 225.99/x - Step 3: Cross multiply
266.09x = 366.12 × 225.99 - Step 4: Simplify right side
266.09x = 82,739.46 - Step 5: Solve for x
x = 82,739.46/266.09 - Step 6: Final answer
x = 310.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.