Finding the Fourth Proportional to 266.67, 367.99 and 153.09
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Solution
The fourth proportional to 266.67, 367.99 and 153.09 is: 211.26
Step by Step Solution
- Step 1: Write the proportion equation
266.67 : 367.99 = 153.09 : x - Step 2: Convert to fraction form
266.67/367.99 = 153.09/x - Step 3: Cross multiply
266.67x = 367.99 × 153.09 - Step 4: Simplify right side
266.67x = 56,335.59 - Step 5: Solve for x
x = 56,335.59/266.67 - Step 6: Final answer
x = 211.26
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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.