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Finding the Fourth Proportional to 607.06, 835.88 and 474.83

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Solution

The fourth proportional to 607.06, 835.88 and 474.83 is: 653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.06 : 835.88 = 474.83 : x
  2. Step 2: Convert to fraction form
    607.06/835.88 = 474.83/x
  3. Step 3: Cross multiply
    607.06x = 835.88 × 474.83
  4. Step 4: Simplify right side
    607.06x = 396,900.90
  5. Step 5: Solve for x
    x = 396,900.90/607.06
  6. Step 6: Final answer
    x = 653.81

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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.