Finding the Fourth Proportional to 232.81, 348.99 and 155.79
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Solution
The fourth proportional to 232.81, 348.99 and 155.79 is: 233.53
Step by Step Solution
- Step 1: Write the proportion equation
232.81 : 348.99 = 155.79 : x - Step 2: Convert to fraction form
232.81/348.99 = 155.79/x - Step 3: Cross multiply
232.81x = 348.99 × 155.79 - Step 4: Simplify right side
232.81x = 54,369.15 - Step 5: Solve for x
x = 54,369.15/232.81 - Step 6: Final answer
x = 233.53
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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.