Finding the Fourth Proportional to 404.42, 606.67 and 173.32
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Solution
The fourth proportional to 404.42, 606.67 and 173.32 is: 259.99
Step by Step Solution
- Step 1: Write the proportion equation
404.42 : 606.67 = 173.32 : x - Step 2: Convert to fraction form
404.42/606.67 = 173.32/x - Step 3: Cross multiply
404.42x = 606.67 × 173.32 - Step 4: Simplify right side
404.42x = 105,146.09 - Step 5: Solve for x
x = 105,146.09/404.42 - Step 6: Final answer
x = 259.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.