Finding the Fourth Proportional to 234.53, 323.77 and 155.98
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Solution
The fourth proportional to 234.53, 323.77 and 155.98 is: 215.32
Step by Step Solution
- Step 1: Write the proportion equation
234.53 : 323.77 = 155.98 : x - Step 2: Convert to fraction form
234.53/323.77 = 155.98/x - Step 3: Cross multiply
234.53x = 323.77 × 155.98 - Step 4: Simplify right side
234.53x = 50,500.27 - Step 5: Solve for x
x = 50,500.27/234.53 - Step 6: Final answer
x = 215.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.