Finding the Fourth Proportional to 351.25, 526.97 and 107.81
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Solution
The fourth proportional to 351.25, 526.97 and 107.81 is: 161.74
Step by Step Solution
- Step 1: Write the proportion equation
351.25 : 526.97 = 107.81 : x - Step 2: Convert to fraction form
351.25/526.97 = 107.81/x - Step 3: Cross multiply
351.25x = 526.97 × 107.81 - Step 4: Simplify right side
351.25x = 56,812.25 - Step 5: Solve for x
x = 56,812.25/351.25 - Step 6: Final answer
x = 161.74
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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.