Finding the Fourth Proportional to 16.25, 22.38 and 14.52
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Solution
The fourth proportional to 16.25, 22.38 and 14.52 is: 19.99
Step by Step Solution
- Step 1: Write the proportion equation
16.25 : 22.38 = 14.52 : x - Step 2: Convert to fraction form
16.25/22.38 = 14.52/x - Step 3: Cross multiply
16.25x = 22.38 × 14.52 - Step 4: Simplify right side
16.25x = 324.89 - Step 5: Solve for x
x = 324.89/16.25 - Step 6: Final answer
x = 19.99
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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.