Finding the Fourth Proportional to 226.99, 313.28 and 139.65
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Solution
The fourth proportional to 226.99, 313.28 and 139.65 is: 192.74
Step by Step Solution
- Step 1: Write the proportion equation
226.99 : 313.28 = 139.65 : x - Step 2: Convert to fraction form
226.99/313.28 = 139.65/x - Step 3: Cross multiply
226.99x = 313.28 × 139.65 - Step 4: Simplify right side
226.99x = 43,749.55 - Step 5: Solve for x
x = 43,749.55/226.99 - Step 6: Final answer
x = 192.74
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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.