Finding the Fourth Proportional to 53.06, 73.01 and 48.69
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Solution
The fourth proportional to 53.06, 73.01 and 48.69 is: 66.99
Step by Step Solution
- Step 1: Write the proportion equation
53.06 : 73.01 = 48.69 : x - Step 2: Convert to fraction form
53.06/73.01 = 48.69/x - Step 3: Cross multiply
53.06x = 73.01 × 48.69 - Step 4: Simplify right side
53.06x = 3,554.25 - Step 5: Solve for x
x = 3,554.25/53.06 - Step 6: Final answer
x = 66.99
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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.