Finding the Fourth Proportional to 750.68, 1,125.84 and 365.84
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Solution
The fourth proportional to 750.68, 1,125.84 and 365.84 is: 548.67
Step by Step Solution
- Step 1: Write the proportion equation
750.68 : 1,125.84 = 365.84 : x - Step 2: Convert to fraction form
750.68/1,125.84 = 365.84/x - Step 3: Cross multiply
750.68x = 1,125.84 × 365.84 - Step 4: Simplify right side
750.68x = 411,877.31 - Step 5: Solve for x
x = 411,877.31/750.68 - Step 6: Final answer
x = 548.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.