Finding the Fourth Proportional to 306.99, 460.17 and 162.81
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Solution
The fourth proportional to 306.99, 460.17 and 162.81 is: 244.05
Step by Step Solution
- Step 1: Write the proportion equation
306.99 : 460.17 = 162.81 : x - Step 2: Convert to fraction form
306.99/460.17 = 162.81/x - Step 3: Cross multiply
306.99x = 460.17 × 162.81 - Step 4: Simplify right side
306.99x = 74,920.28 - Step 5: Solve for x
x = 74,920.28/306.99 - Step 6: Final answer
x = 244.05
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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.