Finding the Fourth Proportional to 63.81, 88.07 and 41.99
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Solution
The fourth proportional to 63.81, 88.07 and 41.99 is: 57.94
Step by Step Solution
- Step 1: Write the proportion equation
63.81 : 88.07 = 41.99 : x - Step 2: Convert to fraction form
63.81/88.07 = 41.99/x - Step 3: Cross multiply
63.81x = 88.07 × 41.99 - Step 4: Simplify right side
63.81x = 3,697.41 - Step 5: Solve for x
x = 3,697.41/63.81 - Step 6: Final answer
x = 57.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.