Finding the Fourth Proportional to 329.99, 494.95 and 134.99
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Solution
The fourth proportional to 329.99, 494.95 and 134.99 is: 202.48
Step by Step Solution
- Step 1: Write the proportion equation
329.99 : 494.95 = 134.99 : x - Step 2: Convert to fraction form
329.99/494.95 = 134.99/x - Step 3: Cross multiply
329.99x = 494.95 × 134.99 - Step 4: Simplify right side
329.99x = 66,815.38 - Step 5: Solve for x
x = 66,815.38/329.99 - Step 6: Final answer
x = 202.48
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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.