Finding the Fourth Proportional to 192.97, 288.99 and 135.25
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Solution
The fourth proportional to 192.97, 288.99 and 135.25 is: 202.55
Step by Step Solution
- Step 1: Write the proportion equation
192.97 : 288.99 = 135.25 : x - Step 2: Convert to fraction form
192.97/288.99 = 135.25/x - Step 3: Cross multiply
192.97x = 288.99 × 135.25 - Step 4: Simplify right side
192.97x = 39,085.90 - Step 5: Solve for x
x = 39,085.90/192.97 - Step 6: Final answer
x = 202.55
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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.