Finding the Fourth Proportional to 750.91, 1,126.44 and 312.07
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Solution
The fourth proportional to 750.91, 1,126.44 and 312.07 is: 468.14
Step by Step Solution
- Step 1: Write the proportion equation
750.91 : 1,126.44 = 312.07 : x - Step 2: Convert to fraction form
750.91/1,126.44 = 312.07/x - Step 3: Cross multiply
750.91x = 1,126.44 × 312.07 - Step 4: Simplify right side
750.91x = 351,528.13 - Step 5: Solve for x
x = 351,528.13/750.91 - Step 6: Final answer
x = 468.14
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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.