Finding the Fourth Proportional to 246.02, 368.99 and 74.98
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Solution
The fourth proportional to 246.02, 368.99 and 74.98 is: 112.46
Step by Step Solution
- Step 1: Write the proportion equation
246.02 : 368.99 = 74.98 : x - Step 2: Convert to fraction form
246.02/368.99 = 74.98/x - Step 3: Cross multiply
246.02x = 368.99 × 74.98 - Step 4: Simplify right side
246.02x = 27,666.87 - Step 5: Solve for x
x = 27,666.87/246.02 - Step 6: Final answer
x = 112.46
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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.