Finding the Fourth Proportional to 236.90, 357.14 and 202.94
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Solution
The fourth proportional to 236.90, 357.14 and 202.94 is: 305.94
Step by Step Solution
- Step 1: Write the proportion equation
236.90 : 357.14 = 202.94 : x - Step 2: Convert to fraction form
236.90/357.14 = 202.94/x - Step 3: Cross multiply
236.90x = 357.14 × 202.94 - Step 4: Simplify right side
236.90x = 72,477.99 - Step 5: Solve for x
x = 72,477.99/236.90 - Step 6: Final answer
x = 305.94
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.