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Finding the Fourth Proportional to 1,461.44, 2,192.21 and 365.81

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Solution

The fourth proportional to 1,461.44, 2,192.21 and 365.81 is: 548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.44 : 2,192.21 = 365.81 : x
  2. Step 2: Convert to fraction form
    1,461.44/2,192.21 = 365.81/x
  3. Step 3: Cross multiply
    1,461.44x = 2,192.21 × 365.81
  4. Step 4: Simplify right side
    1,461.44x = 801,919.55
  5. Step 5: Solve for x
    x = 801,919.55/1,461.44
  6. Step 6: Final answer
    x = 548.72

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1.5x scale

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.