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Finding the Fourth Proportional to 833.49, 1,249.02 and 437.81

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Solution

The fourth proportional to 833.49, 1,249.02 and 437.81 is: 656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.49 : 1,249.02 = 437.81 : x
  2. Step 2: Convert to fraction form
    833.49/1,249.02 = 437.81/x
  3. Step 3: Cross multiply
    833.49x = 1,249.02 × 437.81
  4. Step 4: Simplify right side
    833.49x = 546,827.20
  5. Step 5: Solve for x
    x = 546,827.20/833.49
  6. Step 6: Final answer
    x = 656.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.