Finding the Fourth Proportional to 302.79, 452.97 and 299.19
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Solution
The fourth proportional to 302.79, 452.97 and 299.19 is: 447.58
Step by Step Solution
- Step 1: Write the proportion equation
302.79 : 452.97 = 299.19 : x - Step 2: Convert to fraction form
302.79/452.97 = 299.19/x - Step 3: Cross multiply
302.79x = 452.97 × 299.19 - Step 4: Simplify right side
302.79x = 135,524.09 - Step 5: Solve for x
x = 135,524.09/302.79 - Step 6: Final answer
x = 447.58
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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.