Finding the Fourth Proportional to 246.14, 368.99 and 143.51
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Solution
The fourth proportional to 246.14, 368.99 and 143.51 is: 215.14
Step by Step Solution
- Step 1: Write the proportion equation
246.14 : 368.99 = 143.51 : x - Step 2: Convert to fraction form
246.14/368.99 = 143.51/x - Step 3: Cross multiply
246.14x = 368.99 × 143.51 - Step 4: Simplify right side
246.14x = 52,953.75 - Step 5: Solve for x
x = 52,953.75/246.14 - Step 6: Final answer
x = 215.14
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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.