Finding the Fourth Proportional to 351.14, 526.77 and 107.62
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Solution
The fourth proportional to 351.14, 526.77 and 107.62 is: 161.45
Step by Step Solution
- Step 1: Write the proportion equation
351.14 : 526.77 = 107.62 : x - Step 2: Convert to fraction form
351.14/526.77 = 107.62/x - Step 3: Cross multiply
351.14x = 526.77 × 107.62 - Step 4: Simplify right side
351.14x = 56,689.67 - Step 5: Solve for x
x = 56,689.67/351.14 - Step 6: Final answer
x = 161.45
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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.