Finding the Fourth Proportional to 266.48, 367.74 and 155.99
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Solution
The fourth proportional to 266.48, 367.74 and 155.99 is: 215.26
Step by Step Solution
- Step 1: Write the proportion equation
266.48 : 367.74 = 155.99 : x - Step 2: Convert to fraction form
266.48/367.74 = 155.99/x - Step 3: Cross multiply
266.48x = 367.74 × 155.99 - Step 4: Simplify right side
266.48x = 57,361.92 - Step 5: Solve for x
x = 57,361.92/266.48 - Step 6: Final answer
x = 215.26
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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.