Finding the Fourth Proportional to 135.55, 203.30 and 44.23
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Solution
The fourth proportional to 135.55, 203.30 and 44.23 is: 66.34
Step by Step Solution
- Step 1: Write the proportion equation
135.55 : 203.30 = 44.23 : x - Step 2: Convert to fraction form
135.55/203.30 = 44.23/x - Step 3: Cross multiply
135.55x = 203.30 × 44.23 - Step 4: Simplify right side
135.55x = 8,991.96 - Step 5: Solve for x
x = 8,991.96/135.55 - Step 6: Final answer
x = 66.34
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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.