Finding the Fourth Proportional to 53.68, 80.52 and 26.66
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Solution
The fourth proportional to 53.68, 80.52 and 26.66 is: 39.99
Step by Step Solution
- Step 1: Write the proportion equation
53.68 : 80.52 = 26.66 : x - Step 2: Convert to fraction form
53.68/80.52 = 26.66/x - Step 3: Cross multiply
53.68x = 80.52 × 26.66 - Step 4: Simplify right side
53.68x = 2,146.66 - Step 5: Solve for x
x = 2,146.66/53.68 - Step 6: Final answer
x = 39.99
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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.