Finding the Fourth Proportional to 356.19, 533.55 and 171.26
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Solution
The fourth proportional to 356.19, 533.55 and 171.26 is: 256.54
Step by Step Solution
- Step 1: Write the proportion equation
356.19 : 533.55 = 171.26 : x - Step 2: Convert to fraction form
356.19/533.55 = 171.26/x - Step 3: Cross multiply
356.19x = 533.55 × 171.26 - Step 4: Simplify right side
356.19x = 91,375.75 - Step 5: Solve for x
x = 91,375.75/356.19 - Step 6: Final answer
x = 256.54
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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.