Finding the Fourth Proportional to 367.91, 551.52 and 162.31
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Solution
The fourth proportional to 367.91, 551.52 and 162.31 is: 243.31
Step by Step Solution
- Step 1: Write the proportion equation
367.91 : 551.52 = 162.31 : x - Step 2: Convert to fraction form
367.91/551.52 = 162.31/x - Step 3: Cross multiply
367.91x = 551.52 × 162.31 - Step 4: Simplify right side
367.91x = 89,517.21 - Step 5: Solve for x
x = 89,517.21/367.91 - Step 6: Final answer
x = 243.31
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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.