Finding the Fourth Proportional to 348.99, 523.47 and 186.99
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Solution
The fourth proportional to 348.99, 523.47 and 186.99 is: 280.48
Step by Step Solution
- Step 1: Write the proportion equation
348.99 : 523.47 = 186.99 : x - Step 2: Convert to fraction form
348.99/523.47 = 186.99/x - Step 3: Cross multiply
348.99x = 523.47 × 186.99 - Step 4: Simplify right side
348.99x = 97,883.66 - Step 5: Solve for x
x = 97,883.66/348.99 - Step 6: Final answer
x = 280.48
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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.