Finding the Fourth Proportional to 146.60, 202.44 and 107.99
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Solution
The fourth proportional to 146.60, 202.44 and 107.99 is: 149.12
Step by Step Solution
- Step 1: Write the proportion equation
146.60 : 202.44 = 107.99 : x - Step 2: Convert to fraction form
146.60/202.44 = 107.99/x - Step 3: Cross multiply
146.60x = 202.44 × 107.99 - Step 4: Simplify right side
146.60x = 21,860.21 - Step 5: Solve for x
x = 21,860.21/146.60 - Step 6: Final answer
x = 149.12
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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.