Finding the Fourth Proportional to 462.69, 694.29 and 360.18
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Solution
The fourth proportional to 462.69, 694.29 and 360.18 is: 540.47
Step by Step Solution
- Step 1: Write the proportion equation
462.69 : 694.29 = 360.18 : x - Step 2: Convert to fraction form
462.69/694.29 = 360.18/x - Step 3: Cross multiply
462.69x = 694.29 × 360.18 - Step 4: Simplify right side
462.69x = 250,069.37 - Step 5: Solve for x
x = 250,069.37/462.69 - Step 6: Final answer
x = 540.47
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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.