Finding the Fourth Proportional to 146.15, 201.71 and 83.99
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Solution
The fourth proportional to 146.15, 201.71 and 83.99 is: 115.92
Step by Step Solution
- Step 1: Write the proportion equation
146.15 : 201.71 = 83.99 : x - Step 2: Convert to fraction form
146.15/201.71 = 83.99/x - Step 3: Cross multiply
146.15x = 201.71 × 83.99 - Step 4: Simplify right side
146.15x = 16,941.71 - Step 5: Solve for x
x = 16,941.71/146.15 - Step 6: Final answer
x = 115.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.