Finding the Fourth Proportional to 135.96, 202.95 and 108.63
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Solution
The fourth proportional to 135.96, 202.95 and 108.63 is: 162.15
Step by Step Solution
- Step 1: Write the proportion equation
135.96 : 202.95 = 108.63 : x - Step 2: Convert to fraction form
135.96/202.95 = 108.63/x - Step 3: Cross multiply
135.96x = 202.95 × 108.63 - Step 4: Simplify right side
135.96x = 22,046.46 - Step 5: Solve for x
x = 22,046.46/135.96 - Step 6: Final answer
x = 162.15
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.