Finding the Fourth Proportional to 341.14, 511.74 and 135.64
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Solution
The fourth proportional to 341.14, 511.74 and 135.64 is: 203.47
Step by Step Solution
- Step 1: Write the proportion equation
341.14 : 511.74 = 135.64 : x - Step 2: Convert to fraction form
341.14/511.74 = 135.64/x - Step 3: Cross multiply
341.14x = 511.74 × 135.64 - Step 4: Simplify right side
341.14x = 69,412.41 - Step 5: Solve for x
x = 69,412.41/341.14 - Step 6: Final answer
x = 203.47
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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.