Finding the Fourth Proportional to 473.64, 653.84 and 277.21
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Solution
The fourth proportional to 473.64, 653.84 and 277.21 is: 382.68
Step by Step Solution
- Step 1: Write the proportion equation
473.64 : 653.84 = 277.21 : x - Step 2: Convert to fraction form
473.64/653.84 = 277.21/x - Step 3: Cross multiply
473.64x = 653.84 × 277.21 - Step 4: Simplify right side
473.64x = 181,250.99 - Step 5: Solve for x
x = 181,250.99/473.64 - Step 6: Final answer
x = 382.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.