Finding the Fourth Proportional to 63.68, 95.39 and 42.05
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Solution
The fourth proportional to 63.68, 95.39 and 42.05 is: 62.99
Step by Step Solution
- Step 1: Write the proportion equation
63.68 : 95.39 = 42.05 : x - Step 2: Convert to fraction form
63.68/95.39 = 42.05/x - Step 3: Cross multiply
63.68x = 95.39 × 42.05 - Step 4: Simplify right side
63.68x = 4,011.15 - Step 5: Solve for x
x = 4,011.15/63.68 - Step 6: Final answer
x = 62.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.