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Finding the Fourth Proportional to 895.45, 1,343.44 and 484.48

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Solution

The fourth proportional to 895.45, 1,343.44 and 484.48 is: 726.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.45 : 1,343.44 = 484.48 : x
  2. Step 2: Convert to fraction form
    895.45/1,343.44 = 484.48/x
  3. Step 3: Cross multiply
    895.45x = 1,343.44 × 484.48
  4. Step 4: Simplify right side
    895.45x = 650,867.06
  5. Step 5: Solve for x
    x = 650,867.06/895.45
  6. Step 6: Final answer
    x = 726.86

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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.