Finding the Fourth Proportional to 1,237.71, 1,856.52 and 372
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Solution
The fourth proportional to 1,237.71, 1,856.52 and 372 is: 557.99
Step by Step Solution
- Step 1: Write the proportion equation
1,237.71 : 1,856.52 = 372 : x - Step 2: Convert to fraction form
1,237.71/1,856.52 = 372/x - Step 3: Cross multiply
1,237.71x = 1,856.52 × 372 - Step 4: Simplify right side
1,237.71x = 690,625.44 - Step 5: Solve for x
x = 690,625.44/1,237.71 - Step 6: Final answer
x = 557.99
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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.