Finding the Fourth Proportional to 232.99, 349.43 and 70.64
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Solution
The fourth proportional to 232.99, 349.43 and 70.64 is: 105.95
Step by Step Solution
- Step 1: Write the proportion equation
232.99 : 349.43 = 70.64 : x - Step 2: Convert to fraction form
232.99/349.43 = 70.64/x - Step 3: Cross multiply
232.99x = 349.43 × 70.64 - Step 4: Simplify right side
232.99x = 24,683.74 - Step 5: Solve for x
x = 24,683.74/232.99 - Step 6: Final answer
x = 105.95
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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.