Finding the Fourth Proportional to 232.91, 349.28 and 135.19
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Solution
The fourth proportional to 232.91, 349.28 and 135.19 is: 202.73
Step by Step Solution
- Step 1: Write the proportion equation
232.91 : 349.28 = 135.19 : x - Step 2: Convert to fraction form
232.91/349.28 = 135.19/x - Step 3: Cross multiply
232.91x = 349.28 × 135.19 - Step 4: Simplify right side
232.91x = 47,216.74 - Step 5: Solve for x
x = 47,216.74/232.91 - Step 6: Final answer
x = 202.73
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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.