Finding the Fourth Proportional to 577.99, 797.64 and 316
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Solution
The fourth proportional to 577.99, 797.64 and 316 is: 436.09
Step by Step Solution
- Step 1: Write the proportion equation
577.99 : 797.64 = 316 : x - Step 2: Convert to fraction form
577.99/797.64 = 316/x - Step 3: Cross multiply
577.99x = 797.64 × 316 - Step 4: Simplify right side
577.99x = 252,054.24 - Step 5: Solve for x
x = 252,054.24/577.99 - Step 6: Final answer
x = 436.09
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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.