Finding the Fourth Proportional to 289.63, 434.09 and 173.99
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Solution
The fourth proportional to 289.63, 434.09 and 173.99 is: 260.77
Step by Step Solution
- Step 1: Write the proportion equation
289.63 : 434.09 = 173.99 : x - Step 2: Convert to fraction form
289.63/434.09 = 173.99/x - Step 3: Cross multiply
289.63x = 434.09 × 173.99 - Step 4: Simplify right side
289.63x = 75,526.45 - Step 5: Solve for x
x = 75,526.45/289.63 - Step 6: Final answer
x = 260.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.