Finding the Fourth Proportional to 710, 1,065.52 and 254
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Solution
The fourth proportional to 710, 1,065.52 and 254 is: 381.19
Step by Step Solution
- Step 1: Write the proportion equation
710 : 1,065.52 = 254 : x - Step 2: Convert to fraction form
710/1,065.52 = 254/x - Step 3: Cross multiply
710x = 1,065.52 × 254 - Step 4: Simplify right side
710x = 270,642.08 - Step 5: Solve for x
x = 270,642.08/710 - Step 6: Final answer
x = 381.19
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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.