Finding the Fourth Proportional to 63.21, 94.80 and 44.99
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Solution
The fourth proportional to 63.21, 94.80 and 44.99 is: 67.47
Step by Step Solution
- Step 1: Write the proportion equation
63.21 : 94.80 = 44.99 : x - Step 2: Convert to fraction form
63.21/94.80 = 44.99/x - Step 3: Cross multiply
63.21x = 94.80 × 44.99 - Step 4: Simplify right side
63.21x = 4,265.05 - Step 5: Solve for x
x = 4,265.05/63.21 - Step 6: Final answer
x = 67.47
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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.