Finding the Fourth Proportional to 370.63, 511.62 and 291.75
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Solution
The fourth proportional to 370.63, 511.62 and 291.75 is: 402.74
Step by Step Solution
- Step 1: Write the proportion equation
370.63 : 511.62 = 291.75 : x - Step 2: Convert to fraction form
370.63/511.62 = 291.75/x - Step 3: Cross multiply
370.63x = 511.62 × 291.75 - Step 4: Simplify right side
370.63x = 149,265.00 - Step 5: Solve for x
x = 149,265.00/370.63 - Step 6: Final answer
x = 402.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.