Finding the Fourth Proportional to 135.48, 203.08 and 70.44
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Solution
The fourth proportional to 135.48, 203.08 and 70.44 is: 105.59
Step by Step Solution
- Step 1: Write the proportion equation
135.48 : 203.08 = 70.44 : x - Step 2: Convert to fraction form
135.48/203.08 = 70.44/x - Step 3: Cross multiply
135.48x = 203.08 × 70.44 - Step 4: Simplify right side
135.48x = 14,304.96 - Step 5: Solve for x
x = 14,304.96/135.48 - Step 6: Final answer
x = 105.59
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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.