Finding the Fourth Proportional to 135.01, 202.61 and 57.99
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Solution
The fourth proportional to 135.01, 202.61 and 57.99 is: 87.03
Step by Step Solution
- Step 1: Write the proportion equation
135.01 : 202.61 = 57.99 : x - Step 2: Convert to fraction form
135.01/202.61 = 57.99/x - Step 3: Cross multiply
135.01x = 202.61 × 57.99 - Step 4: Simplify right side
135.01x = 11,749.35 - Step 5: Solve for x
x = 11,749.35/135.01 - Step 6: Final answer
x = 87.03
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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.