Finding the Fourth Proportional to 63.99, 95.99 and 63.20
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Solution
The fourth proportional to 63.99, 95.99 and 63.20 is: 94.80
Step by Step Solution
- Step 1: Write the proportion equation
63.99 : 95.99 = 63.20 : x - Step 2: Convert to fraction form
63.99/95.99 = 63.20/x - Step 3: Cross multiply
63.99x = 95.99 × 63.20 - Step 4: Simplify right side
63.99x = 6,066.57 - Step 5: Solve for x
x = 6,066.57/63.99 - Step 6: Final answer
x = 94.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.