Finding the Fourth Proportional to 351.35, 526.99 and 107.90
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Solution
The fourth proportional to 351.35, 526.99 and 107.90 is: 161.84
Step by Step Solution
- Step 1: Write the proportion equation
351.35 : 526.99 = 107.90 : x - Step 2: Convert to fraction form
351.35/526.99 = 107.90/x - Step 3: Cross multiply
351.35x = 526.99 × 107.90 - Step 4: Simplify right side
351.35x = 56,862.22 - Step 5: Solve for x
x = 56,862.22/351.35 - Step 6: Final answer
x = 161.84
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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.