Finding the Fourth Proportional to 134.99, 202.16 and 69.81
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Solution
The fourth proportional to 134.99, 202.16 and 69.81 is: 104.55
Step by Step Solution
- Step 1: Write the proportion equation
134.99 : 202.16 = 69.81 : x - Step 2: Convert to fraction form
134.99/202.16 = 69.81/x - Step 3: Cross multiply
134.99x = 202.16 × 69.81 - Step 4: Simplify right side
134.99x = 14,112.44 - Step 5: Solve for x
x = 14,112.44/134.99 - Step 6: Final answer
x = 104.55
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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.