Finding the Fourth Proportional to 67.68, 101.56 and 41.98
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Solution
The fourth proportional to 67.68, 101.56 and 41.98 is: 62.99
Step by Step Solution
- Step 1: Write the proportion equation
67.68 : 101.56 = 41.98 : x - Step 2: Convert to fraction form
67.68/101.56 = 41.98/x - Step 3: Cross multiply
67.68x = 101.56 × 41.98 - Step 4: Simplify right side
67.68x = 4,263.49 - Step 5: Solve for x
x = 4,263.49/67.68 - Step 6: Final answer
x = 62.99
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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.