Finding the Fourth Proportional to 418.28, 627.21 and 244.99
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Solution
The fourth proportional to 418.28, 627.21 and 244.99 is: 367.36
Step by Step Solution
- Step 1: Write the proportion equation
418.28 : 627.21 = 244.99 : x - Step 2: Convert to fraction form
418.28/627.21 = 244.99/x - Step 3: Cross multiply
418.28x = 627.21 × 244.99 - Step 4: Simplify right side
418.28x = 153,660.18 - Step 5: Solve for x
x = 153,660.18/418.28 - Step 6: Final answer
x = 367.36
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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.