Finding the Fourth Proportional to 709.08, 1,063.26 and 324
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Solution
The fourth proportional to 709.08, 1,063.26 and 324 is: 485.84
Step by Step Solution
- Step 1: Write the proportion equation
709.08 : 1,063.26 = 324 : x - Step 2: Convert to fraction form
709.08/1,063.26 = 324/x - Step 3: Cross multiply
709.08x = 1,063.26 × 324 - Step 4: Simplify right side
709.08x = 344,496.24 - Step 5: Solve for x
x = 344,496.24/709.08 - Step 6: Final answer
x = 485.84
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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.