Finding the Fourth Proportional to 135.23, 202.55 and 125.73
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Solution
The fourth proportional to 135.23, 202.55 and 125.73 is: 188.32
Step by Step Solution
- Step 1: Write the proportion equation
135.23 : 202.55 = 125.73 : x - Step 2: Convert to fraction form
135.23/202.55 = 125.73/x - Step 3: Cross multiply
135.23x = 202.55 × 125.73 - Step 4: Simplify right side
135.23x = 25,465.98 - Step 5: Solve for x
x = 25,465.98/135.23 - Step 6: Final answer
x = 188.32
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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.