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Finding the Fourth Proportional to 613.58, 846.52 and 448.94

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Solution

The fourth proportional to 613.58, 846.52 and 448.94 is: 619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.58 : 846.52 = 448.94 : x
  2. Step 2: Convert to fraction form
    613.58/846.52 = 448.94/x
  3. Step 3: Cross multiply
    613.58x = 846.52 × 448.94
  4. Step 4: Simplify right side
    613.58x = 380,037.68
  5. Step 5: Solve for x
    x = 380,037.68/613.58
  6. Step 6: Final answer
    x = 619.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.