Finding the Fourth Proportional to 400.99, 553.33 and 226.33
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Solution
The fourth proportional to 400.99, 553.33 and 226.33 is: 312.31
Step by Step Solution
- Step 1: Write the proportion equation
400.99 : 553.33 = 226.33 : x - Step 2: Convert to fraction form
400.99/553.33 = 226.33/x - Step 3: Cross multiply
400.99x = 553.33 × 226.33 - Step 4: Simplify right side
400.99x = 125,235.18 - Step 5: Solve for x
x = 125,235.18/400.99 - Step 6: Final answer
x = 312.31
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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.