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Finding the Fourth Proportional to 895.82, 1,344.01 and 484.85

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Solution

The fourth proportional to 895.82, 1,344.01 and 484.85 is: 727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.82 : 1,344.01 = 484.85 : x
  2. Step 2: Convert to fraction form
    895.82/1,344.01 = 484.85/x
  3. Step 3: Cross multiply
    895.82x = 1,344.01 × 484.85
  4. Step 4: Simplify right side
    895.82x = 651,645.40
  5. Step 5: Solve for x
    x = 651,645.40/895.82
  6. Step 6: Final answer
    x = 727.43

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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.