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Finding the Fourth Proportional to 833.77, 1,150.61 and 460.75

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Solution

The fourth proportional to 833.77, 1,150.61 and 460.75 is: 635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.77 : 1,150.61 = 460.75 : x
  2. Step 2: Convert to fraction form
    833.77/1,150.61 = 460.75/x
  3. Step 3: Cross multiply
    833.77x = 1,150.61 × 460.75
  4. Step 4: Simplify right side
    833.77x = 530,143.56
  5. Step 5: Solve for x
    x = 530,143.56/833.77
  6. Step 6: Final answer
    x = 635.84

Related Problems

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Half scale
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Double scale
Find fourth proportional to 834.77, 1,151.99 and 461.75
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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.