Finding the Fourth Proportional to 351.06, 526.68 and 107.58
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Solution
The fourth proportional to 351.06, 526.68 and 107.58 is: 161.40
Step by Step Solution
- Step 1: Write the proportion equation
351.06 : 526.68 = 107.58 : x - Step 2: Convert to fraction form
351.06/526.68 = 107.58/x - Step 3: Cross multiply
351.06x = 526.68 × 107.58 - Step 4: Simplify right side
351.06x = 56,660.23 - Step 5: Solve for x
x = 56,660.23/351.06 - Step 6: Final answer
x = 161.40
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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.