Finding the Fourth Proportional to 146.69, 202.65 and 135.75
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Solution
The fourth proportional to 146.69, 202.65 and 135.75 is: 187.54
Step by Step Solution
- Step 1: Write the proportion equation
146.69 : 202.65 = 135.75 : x - Step 2: Convert to fraction form
146.69/202.65 = 135.75/x - Step 3: Cross multiply
146.69x = 202.65 × 135.75 - Step 4: Simplify right side
146.69x = 27,509.99 - Step 5: Solve for x
x = 27,509.99/146.69 - Step 6: Final answer
x = 187.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.