Finding the Fourth Proportional to 344.08, 515.88 and 261.74
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Solution
The fourth proportional to 344.08, 515.88 and 261.74 is: 392.43
Step by Step Solution
- Step 1: Write the proportion equation
344.08 : 515.88 = 261.74 : x - Step 2: Convert to fraction form
344.08/515.88 = 261.74/x - Step 3: Cross multiply
344.08x = 515.88 × 261.74 - Step 4: Simplify right side
344.08x = 135,026.43 - Step 5: Solve for x
x = 135,026.43/344.08 - Step 6: Final answer
x = 392.43
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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.