Finding the Fourth Proportional to 336.74, 465.08 and 225.99
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Solution
The fourth proportional to 336.74, 465.08 and 225.99 is: 312.12
Step by Step Solution
- Step 1: Write the proportion equation
336.74 : 465.08 = 225.99 : x - Step 2: Convert to fraction form
336.74/465.08 = 225.99/x - Step 3: Cross multiply
336.74x = 465.08 × 225.99 - Step 4: Simplify right side
336.74x = 105,102.30 - Step 5: Solve for x
x = 105,102.30/336.74 - Step 6: Final answer
x = 312.12
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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.