Finding the Fourth Proportional to 63.99, 94.68 and 63.81
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Solution
The fourth proportional to 63.99, 94.68 and 63.81 is: 94.41
Step by Step Solution
- Step 1: Write the proportion equation
63.99 : 94.68 = 63.81 : x - Step 2: Convert to fraction form
63.99/94.68 = 63.81/x - Step 3: Cross multiply
63.99x = 94.68 × 63.81 - Step 4: Simplify right side
63.99x = 6,041.53 - Step 5: Solve for x
x = 6,041.53/63.99 - Step 6: Final answer
x = 94.41
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Why These Related Problems?
These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.