Finding the Fourth Proportional to 135.30, 202.95 and 43.97
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Solution
The fourth proportional to 135.30, 202.95 and 43.97 is: 65.95
Step by Step Solution
- Step 1: Write the proportion equation
135.30 : 202.95 = 43.97 : x - Step 2: Convert to fraction form
135.30/202.95 = 43.97/x - Step 3: Cross multiply
135.30x = 202.95 × 43.97 - Step 4: Simplify right side
135.30x = 8,922.70 - Step 5: Solve for x
x = 8,922.70/135.30 - Step 6: Final answer
x = 65.95
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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.