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Finding the Fourth Proportional to 895.41, 1,341.57 and 484.85

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Solution

The fourth proportional to 895.41, 1,341.57 and 484.85 is: 726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.41 : 1,341.57 = 484.85 : x
  2. Step 2: Convert to fraction form
    895.41/1,341.57 = 484.85/x
  3. Step 3: Cross multiply
    895.41x = 1,341.57 × 484.85
  4. Step 4: Simplify right side
    895.41x = 650,453.51
  5. Step 5: Solve for x
    x = 650,453.51/895.41
  6. Step 6: Final answer
    x = 726.43

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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.