Finding the Fourth Proportional to 1,367.40, 2,050.50 and 442.79
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Solution
The fourth proportional to 1,367.40, 2,050.50 and 442.79 is: 663.99
Step by Step Solution
- Step 1: Write the proportion equation
1,367.40 : 2,050.50 = 442.79 : x - Step 2: Convert to fraction form
1,367.40/2,050.50 = 442.79/x - Step 3: Cross multiply
1,367.40x = 2,050.50 × 442.79 - Step 4: Simplify right side
1,367.40x = 907,940.90 - Step 5: Solve for x
x = 907,940.90/1,367.40 - Step 6: Final answer
x = 663.99
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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.