Finding the Fourth Proportional to 135.99, 202.20 and 134.76
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Solution
The fourth proportional to 135.99, 202.20 and 134.76 is: 200.37
Step by Step Solution
- Step 1: Write the proportion equation
135.99 : 202.20 = 134.76 : x - Step 2: Convert to fraction form
135.99/202.20 = 134.76/x - Step 3: Cross multiply
135.99x = 202.20 × 134.76 - Step 4: Simplify right side
135.99x = 27,248.47 - Step 5: Solve for x
x = 27,248.47/135.99 - Step 6: Final answer
x = 200.37
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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.