Finding the Fourth Proportional to 247.65, 341.58 and 226.99
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Solution
The fourth proportional to 247.65, 341.58 and 226.99 is: 313.08
Step by Step Solution
- Step 1: Write the proportion equation
247.65 : 341.58 = 226.99 : x - Step 2: Convert to fraction form
247.65/341.58 = 226.99/x - Step 3: Cross multiply
247.65x = 341.58 × 226.99 - Step 4: Simplify right side
247.65x = 77,535.24 - Step 5: Solve for x
x = 77,535.24/247.65 - Step 6: Final answer
x = 313.08
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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.