Finding the Fourth Proportional to 135.99, 204 and 63.87
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Solution
The fourth proportional to 135.99, 204 and 63.87 is: 95.81
Step by Step Solution
- Step 1: Write the proportion equation
135.99 : 204 = 63.87 : x - Step 2: Convert to fraction form
135.99/204 = 63.87/x - Step 3: Cross multiply
135.99x = 204 × 63.87 - Step 4: Simplify right side
135.99x = 13,029.48 - Step 5: Solve for x
x = 13,029.48/135.99 - Step 6: Final answer
x = 95.81
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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.