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Finding the Fourth Proportional to 837.33, 1,154.61 and 588.57

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Solution

The fourth proportional to 837.33, 1,154.61 and 588.57 is: 811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.33 : 1,154.61 = 588.57 : x
  2. Step 2: Convert to fraction form
    837.33/1,154.61 = 588.57/x
  3. Step 3: Cross multiply
    837.33x = 1,154.61 × 588.57
  4. Step 4: Simplify right side
    837.33x = 679,568.81
  5. Step 5: Solve for x
    x = 679,568.81/837.33
  6. Step 6: Final answer
    x = 811.59

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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.