Finding the Fourth Proportional to 229.99, 344.99 and 93.15
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Solution
The fourth proportional to 229.99, 344.99 and 93.15 is: 139.73
Step by Step Solution
- Step 1: Write the proportion equation
229.99 : 344.99 = 93.15 : x - Step 2: Convert to fraction form
229.99/344.99 = 93.15/x - Step 3: Cross multiply
229.99x = 344.99 × 93.15 - Step 4: Simplify right side
229.99x = 32,136.05 - Step 5: Solve for x
x = 32,136.05/229.99 - Step 6: Final answer
x = 139.73
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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.