Finding the Fourth Proportional to 356.13, 533.93 and 193.95
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Solution
The fourth proportional to 356.13, 533.93 and 193.95 is: 290.78
Step by Step Solution
- Step 1: Write the proportion equation
356.13 : 533.93 = 193.95 : x - Step 2: Convert to fraction form
356.13/533.93 = 193.95/x - Step 3: Cross multiply
356.13x = 533.93 × 193.95 - Step 4: Simplify right side
356.13x = 103,554.75 - Step 5: Solve for x
x = 103,554.75/356.13 - Step 6: Final answer
x = 290.78
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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.