Finding the Fourth Proportional to 907.99, 1,252.96 and 514.99
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Solution
The fourth proportional to 907.99, 1,252.96 and 514.99 is: 710.65
Step by Step Solution
- Step 1: Write the proportion equation
907.99 : 1,252.96 = 514.99 : x - Step 2: Convert to fraction form
907.99/1,252.96 = 514.99/x - Step 3: Cross multiply
907.99x = 1,252.96 × 514.99 - Step 4: Simplify right side
907.99x = 645,261.87 - Step 5: Solve for x
x = 645,261.87/907.99 - Step 6: Final answer
x = 710.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.