Finding the Fourth Proportional to 416.24, 622.97 and 313.26
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Solution
The fourth proportional to 416.24, 622.97 and 313.26 is: 468.84
Step by Step Solution
- Step 1: Write the proportion equation
416.24 : 622.97 = 313.26 : x - Step 2: Convert to fraction form
416.24/622.97 = 313.26/x - Step 3: Cross multiply
416.24x = 622.97 × 313.26 - Step 4: Simplify right side
416.24x = 195,151.58 - Step 5: Solve for x
x = 195,151.58/416.24 - Step 6: Final answer
x = 468.84
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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.