Finding the Fourth Proportional to 377.81, 563.84 and 368.09
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Solution
The fourth proportional to 377.81, 563.84 and 368.09 is: 549.33
Step by Step Solution
- Step 1: Write the proportion equation
377.81 : 563.84 = 368.09 : x - Step 2: Convert to fraction form
377.81/563.84 = 368.09/x - Step 3: Cross multiply
377.81x = 563.84 × 368.09 - Step 4: Simplify right side
377.81x = 207,539.21 - Step 5: Solve for x
x = 207,539.21/377.81 - Step 6: Final answer
x = 549.33
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.