Finding the Fourth Proportional to 17.02, 25.53 and 7.99
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Solution
The fourth proportional to 17.02, 25.53 and 7.99 is: 11.99
Step by Step Solution
- Step 1: Write the proportion equation
17.02 : 25.53 = 7.99 : x - Step 2: Convert to fraction form
17.02/25.53 = 7.99/x - Step 3: Cross multiply
17.02x = 25.53 × 7.99 - Step 4: Simplify right side
17.02x = 203.98 - Step 5: Solve for x
x = 203.98/17.02 - Step 6: Final answer
x = 11.99
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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.