Finding the Fourth Proportional to 226.58, 312.67 and 126.99
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Solution
The fourth proportional to 226.58, 312.67 and 126.99 is: 175.24
Step by Step Solution
- Step 1: Write the proportion equation
226.58 : 312.67 = 126.99 : x - Step 2: Convert to fraction form
226.58/312.67 = 126.99/x - Step 3: Cross multiply
226.58x = 312.67 × 126.99 - Step 4: Simplify right side
226.58x = 39,705.96 - Step 5: Solve for x
x = 39,705.96/226.58 - Step 6: Final answer
x = 175.24
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.