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Finding the Fourth Proportional to 1,232.21, 1,847.78 and 366.32

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Solution

The fourth proportional to 1,232.21, 1,847.78 and 366.32 is: 549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.21 : 1,847.78 = 366.32 : x
  2. Step 2: Convert to fraction form
    1,232.21/1,847.78 = 366.32/x
  3. Step 3: Cross multiply
    1,232.21x = 1,847.78 × 366.32
  4. Step 4: Simplify right side
    1,232.21x = 676,882.93
  5. Step 5: Solve for x
    x = 676,882.93/1,232.21
  6. Step 6: Final answer
    x = 549.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.