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Finding the Fourth Proportional to 833.85, 1,150.74 and 460.85

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Solution

The fourth proportional to 833.85, 1,150.74 and 460.85 is: 635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.85 : 1,150.74 = 460.85 : x
  2. Step 2: Convert to fraction form
    833.85/1,150.74 = 460.85/x
  3. Step 3: Cross multiply
    833.85x = 1,150.74 × 460.85
  4. Step 4: Simplify right side
    833.85x = 530,318.53
  5. Step 5: Solve for x
    x = 530,318.53/833.85
  6. Step 6: Final answer
    x = 635.99

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1.5x scale

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.