Finding the Fourth Proportional to 433.24, 648.99 and 201.81
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Solution
The fourth proportional to 433.24, 648.99 and 201.81 is: 302.31
Step by Step Solution
- Step 1: Write the proportion equation
433.24 : 648.99 = 201.81 : x - Step 2: Convert to fraction form
433.24/648.99 = 201.81/x - Step 3: Cross multiply
433.24x = 648.99 × 201.81 - Step 4: Simplify right side
433.24x = 130,972.67 - Step 5: Solve for x
x = 130,972.67/433.24 - Step 6: Final answer
x = 302.31
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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.