Finding the Fourth Proportional to 977.56, 1,465.32 and 360.87
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Solution
The fourth proportional to 977.56, 1,465.32 and 360.87 is: 540.93
Step by Step Solution
- Step 1: Write the proportion equation
977.56 : 1,465.32 = 360.87 : x - Step 2: Convert to fraction form
977.56/1,465.32 = 360.87/x - Step 3: Cross multiply
977.56x = 1,465.32 × 360.87 - Step 4: Simplify right side
977.56x = 528,791.08 - Step 5: Solve for x
x = 528,791.08/977.56 - Step 6: Final answer
x = 540.93
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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.