Finding the Fourth Proportional to 718.08, 1,077.52 and 352.92
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Solution
The fourth proportional to 718.08, 1,077.52 and 352.92 is: 529.58
Step by Step Solution
- Step 1: Write the proportion equation
718.08 : 1,077.52 = 352.92 : x - Step 2: Convert to fraction form
718.08/1,077.52 = 352.92/x - Step 3: Cross multiply
718.08x = 1,077.52 × 352.92 - Step 4: Simplify right side
718.08x = 380,278.36 - Step 5: Solve for x
x = 380,278.36/718.08 - Step 6: Final answer
x = 529.58
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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.