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Finding the Fourth Proportional to 833.57, 1,150.29 and 484.19

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Solution

The fourth proportional to 833.57, 1,150.29 and 484.19 is: 668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.57 : 1,150.29 = 484.19 : x
  2. Step 2: Convert to fraction form
    833.57/1,150.29 = 484.19/x
  3. Step 3: Cross multiply
    833.57x = 1,150.29 × 484.19
  4. Step 4: Simplify right side
    833.57x = 556,958.92
  5. Step 5: Solve for x
    x = 556,958.92/833.57
  6. Step 6: Final answer
    x = 668.16

Related Problems

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Half scale
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Double scale
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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.