Finding the Fourth Proportional to 409.99, 615.08 and 364.68
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Solution
The fourth proportional to 409.99, 615.08 and 364.68 is: 547.10
Step by Step Solution
- Step 1: Write the proportion equation
409.99 : 615.08 = 364.68 : x - Step 2: Convert to fraction form
409.99/615.08 = 364.68/x - Step 3: Cross multiply
409.99x = 615.08 × 364.68 - Step 4: Simplify right side
409.99x = 224,305.84 - Step 5: Solve for x
x = 224,305.84/409.99 - Step 6: Final answer
x = 547.10
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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.