Finding the Fourth Proportional to 226.99, 313.16 and 153.19
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Solution
The fourth proportional to 226.99, 313.16 and 153.19 is: 211.34
Step by Step Solution
- Step 1: Write the proportion equation
226.99 : 313.16 = 153.19 : x - Step 2: Convert to fraction form
226.99/313.16 = 153.19/x - Step 3: Cross multiply
226.99x = 313.16 × 153.19 - Step 4: Simplify right side
226.99x = 47,972.98 - Step 5: Solve for x
x = 47,972.98/226.99 - Step 6: Final answer
x = 211.34
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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.