Finding the Fourth Proportional to 557.64, 837.18 and 472.68
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Solution
The fourth proportional to 557.64, 837.18 and 472.68 is: 709.63
Step by Step Solution
- Step 1: Write the proportion equation
557.64 : 837.18 = 472.68 : x - Step 2: Convert to fraction form
557.64/837.18 = 472.68/x - Step 3: Cross multiply
557.64x = 837.18 × 472.68 - Step 4: Simplify right side
557.64x = 395,718.24 - Step 5: Solve for x
x = 395,718.24/557.64 - Step 6: Final answer
x = 709.63
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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.