Finding the Fourth Proportional to 351.14, 525.62 and 220.67
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Solution
The fourth proportional to 351.14, 525.62 and 220.67 is: 330.33
Step by Step Solution
- Step 1: Write the proportion equation
351.14 : 525.62 = 220.67 : x - Step 2: Convert to fraction form
351.14/525.62 = 220.67/x - Step 3: Cross multiply
351.14x = 525.62 × 220.67 - Step 4: Simplify right side
351.14x = 115,991.42 - Step 5: Solve for x
x = 115,991.42/351.14 - Step 6: Final answer
x = 330.33
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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.