Finding the Fourth Proportional to 266.75, 400.26 and 104.75
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Solution
The fourth proportional to 266.75, 400.26 and 104.75 is: 157.18
Step by Step Solution
- Step 1: Write the proportion equation
266.75 : 400.26 = 104.75 : x - Step 2: Convert to fraction form
266.75/400.26 = 104.75/x - Step 3: Cross multiply
266.75x = 400.26 × 104.75 - Step 4: Simplify right side
266.75x = 41,927.24 - Step 5: Solve for x
x = 41,927.24/266.75 - Step 6: Final answer
x = 157.18
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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.