Finding the Fourth Proportional to 311.23, 465.99 and 224.65
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Solution
The fourth proportional to 311.23, 465.99 and 224.65 is: 336.36
Step by Step Solution
- Step 1: Write the proportion equation
311.23 : 465.99 = 224.65 : x - Step 2: Convert to fraction form
311.23/465.99 = 224.65/x - Step 3: Cross multiply
311.23x = 465.99 × 224.65 - Step 4: Simplify right side
311.23x = 104,684.65 - Step 5: Solve for x
x = 104,684.65/311.23 - Step 6: Final answer
x = 336.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.