Finding the Fourth Proportional to 403.44, 605.26 and 114.88
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Solution
The fourth proportional to 403.44, 605.26 and 114.88 is: 172.34
Step by Step Solution
- Step 1: Write the proportion equation
403.44 : 605.26 = 114.88 : x - Step 2: Convert to fraction form
403.44/605.26 = 114.88/x - Step 3: Cross multiply
403.44x = 605.26 × 114.88 - Step 4: Simplify right side
403.44x = 69,529.24 - Step 5: Solve for x
x = 69,529.24/403.44 - Step 6: Final answer
x = 172.34
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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.