Finding the Fourth Proportional to 63.44, 94.66 and 56.62
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Solution
The fourth proportional to 63.44, 94.66 and 56.62 is: 84.49
Step by Step Solution
- Step 1: Write the proportion equation
63.44 : 94.66 = 56.62 : x - Step 2: Convert to fraction form
63.44/94.66 = 56.62/x - Step 3: Cross multiply
63.44x = 94.66 × 56.62 - Step 4: Simplify right side
63.44x = 5,359.79 - Step 5: Solve for x
x = 5,359.79/63.44 - Step 6: Final answer
x = 84.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.