Finding the Fourth Proportional to 356.08, 533.80 and 191.63
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Solution
The fourth proportional to 356.08, 533.80 and 191.63 is: 287.28
Step by Step Solution
- Step 1: Write the proportion equation
356.08 : 533.80 = 191.63 : x - Step 2: Convert to fraction form
356.08/533.80 = 191.63/x - Step 3: Cross multiply
356.08x = 533.80 × 191.63 - Step 4: Simplify right side
356.08x = 102,294.26 - Step 5: Solve for x
x = 102,294.26/356.08 - Step 6: Final answer
x = 287.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.