Finding the Fourth Proportional to 292.99, 404.32 and 161.99
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Solution
The fourth proportional to 292.99, 404.32 and 161.99 is: 223.54
Step by Step Solution
- Step 1: Write the proportion equation
292.99 : 404.32 = 161.99 : x - Step 2: Convert to fraction form
292.99/404.32 = 161.99/x - Step 3: Cross multiply
292.99x = 404.32 × 161.99 - Step 4: Simplify right side
292.99x = 65,495.80 - Step 5: Solve for x
x = 65,495.80/292.99 - Step 6: Final answer
x = 223.54
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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.