Finding the Fourth Proportional to 351.53, 527.21 and 107.99
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Solution
The fourth proportional to 351.53, 527.21 and 107.99 is: 161.96
Step by Step Solution
- Step 1: Write the proportion equation
351.53 : 527.21 = 107.99 : x - Step 2: Convert to fraction form
351.53/527.21 = 107.99/x - Step 3: Cross multiply
351.53x = 527.21 × 107.99 - Step 4: Simplify right side
351.53x = 56,933.41 - Step 5: Solve for x
x = 56,933.41/351.53 - Step 6: Final answer
x = 161.96
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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.