Finding the Fourth Proportional to 412.55, 618.41 and 350.99
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Solution
The fourth proportional to 412.55, 618.41 and 350.99 is: 526.13
Step by Step Solution
- Step 1: Write the proportion equation
412.55 : 618.41 = 350.99 : x - Step 2: Convert to fraction form
412.55/618.41 = 350.99/x - Step 3: Cross multiply
412.55x = 618.41 × 350.99 - Step 4: Simplify right side
412.55x = 217,053.51 - Step 5: Solve for x
x = 217,053.51/412.55 - Step 6: Final answer
x = 526.13
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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.