Finding the Fourth Proportional to 289.95, 435.29 and 194.19
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Solution
The fourth proportional to 289.95, 435.29 and 194.19 is: 291.53
Step by Step Solution
- Step 1: Write the proportion equation
289.95 : 435.29 = 194.19 : x - Step 2: Convert to fraction form
289.95/435.29 = 194.19/x - Step 3: Cross multiply
289.95x = 435.29 × 194.19 - Step 4: Simplify right side
289.95x = 84,527.99 - Step 5: Solve for x
x = 84,527.99/289.95 - Step 6: Final answer
x = 291.53
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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.