Finding the Fourth Proportional to 135.33, 202.99 and 70.37
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Solution
The fourth proportional to 135.33, 202.99 and 70.37 is: 105.55
Step by Step Solution
- Step 1: Write the proportion equation
135.33 : 202.99 = 70.37 : x - Step 2: Convert to fraction form
135.33/202.99 = 70.37/x - Step 3: Cross multiply
135.33x = 202.99 × 70.37 - Step 4: Simplify right side
135.33x = 14,284.41 - Step 5: Solve for x
x = 14,284.41/135.33 - Step 6: Final answer
x = 105.55
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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.