Finding the Fourth Proportional to 336.15, 465.35 and 306.99
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Solution
The fourth proportional to 336.15, 465.35 and 306.99 is: 424.98
Step by Step Solution
- Step 1: Write the proportion equation
336.15 : 465.35 = 306.99 : x - Step 2: Convert to fraction form
336.15/465.35 = 306.99/x - Step 3: Cross multiply
336.15x = 465.35 × 306.99 - Step 4: Simplify right side
336.15x = 142,856.26 - Step 5: Solve for x
x = 142,856.26/336.15 - Step 6: Final answer
x = 424.98
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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.