Finding the Fourth Proportional to 849.50, 1,274.38 and 302
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Solution
The fourth proportional to 849.50, 1,274.38 and 302 is: 453.05
Step by Step Solution
- Step 1: Write the proportion equation
849.50 : 1,274.38 = 302 : x - Step 2: Convert to fraction form
849.50/1,274.38 = 302/x - Step 3: Cross multiply
849.50x = 1,274.38 × 302 - Step 4: Simplify right side
849.50x = 384,862.76 - Step 5: Solve for x
x = 384,862.76/849.50 - Step 6: Final answer
x = 453.05
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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.