Finding the Fourth Proportional to 367.27, 506.47 and 315
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Solution
The fourth proportional to 367.27, 506.47 and 315 is: 434.39
Step by Step Solution
- Step 1: Write the proportion equation
367.27 : 506.47 = 315 : x - Step 2: Convert to fraction form
367.27/506.47 = 315/x - Step 3: Cross multiply
367.27x = 506.47 × 315 - Step 4: Simplify right side
367.27x = 159,538.05 - Step 5: Solve for x
x = 159,538.05/367.27 - Step 6: Final answer
x = 434.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.