Finding the Fourth Proportional to 313.62, 469.99 and 150.99
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Solution
The fourth proportional to 313.62, 469.99 and 150.99 is: 226.27
Step by Step Solution
- Step 1: Write the proportion equation
313.62 : 469.99 = 150.99 : x - Step 2: Convert to fraction form
313.62/469.99 = 150.99/x - Step 3: Cross multiply
313.62x = 469.99 × 150.99 - Step 4: Simplify right side
313.62x = 70,963.79 - Step 5: Solve for x
x = 70,963.79/313.62 - Step 6: Final answer
x = 226.27
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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.