Finding the Fourth Proportional to 266.97, 400.36 and 93.60
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Solution
The fourth proportional to 266.97, 400.36 and 93.60 is: 140.37
Step by Step Solution
- Step 1: Write the proportion equation
266.97 : 400.36 = 93.60 : x - Step 2: Convert to fraction form
266.97/400.36 = 93.60/x - Step 3: Cross multiply
266.97x = 400.36 × 93.60 - Step 4: Simplify right side
266.97x = 37,473.70 - Step 5: Solve for x
x = 37,473.70/266.97 - Step 6: Final answer
x = 140.37
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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.