Finding the Fourth Proportional to 329.93, 494.93 and 134.99
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Solution
The fourth proportional to 329.93, 494.93 and 134.99 is: 202.50
Step by Step Solution
- Step 1: Write the proportion equation
329.93 : 494.93 = 134.99 : x - Step 2: Convert to fraction form
329.93/494.93 = 134.99/x - Step 3: Cross multiply
329.93x = 494.93 × 134.99 - Step 4: Simplify right side
329.93x = 66,810.60 - Step 5: Solve for x
x = 66,810.60/329.93 - Step 6: Final answer
x = 202.50
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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.