Finding the Fourth Proportional to 336.81, 504.99 and 153.96
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Solution
The fourth proportional to 336.81, 504.99 and 153.96 is: 230.84
Step by Step Solution
- Step 1: Write the proportion equation
336.81 : 504.99 = 153.96 : x - Step 2: Convert to fraction form
336.81/504.99 = 153.96/x - Step 3: Cross multiply
336.81x = 504.99 × 153.96 - Step 4: Simplify right side
336.81x = 77,748.26 - Step 5: Solve for x
x = 77,748.26/336.81 - Step 6: Final answer
x = 230.84
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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.