Finding the Fourth Proportional to 403.56, 605.26 and 110.99
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Solution
The fourth proportional to 403.56, 605.26 and 110.99 is: 166.46
Step by Step Solution
- Step 1: Write the proportion equation
403.56 : 605.26 = 110.99 : x - Step 2: Convert to fraction form
403.56/605.26 = 110.99/x - Step 3: Cross multiply
403.56x = 605.26 × 110.99 - Step 4: Simplify right side
403.56x = 67,177.25 - Step 5: Solve for x
x = 67,177.25/403.56 - Step 6: Final answer
x = 166.46
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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.