Finding the Fourth Proportional to 1,526.28, 2,289.36 and 372
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Solution
The fourth proportional to 1,526.28, 2,289.36 and 372 is: 557.99
Step by Step Solution
- Step 1: Write the proportion equation
1,526.28 : 2,289.36 = 372 : x - Step 2: Convert to fraction form
1,526.28/2,289.36 = 372/x - Step 3: Cross multiply
1,526.28x = 2,289.36 × 372 - Step 4: Simplify right side
1,526.28x = 851,641.92 - Step 5: Solve for x
x = 851,641.92/1,526.28 - 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.