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Finding the Fourth Proportional to 836.41, 1,253.58 and 373.54

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Solution

The fourth proportional to 836.41, 1,253.58 and 373.54 is: 559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.41 : 1,253.58 = 373.54 : x
  2. Step 2: Convert to fraction form
    836.41/1,253.58 = 373.54/x
  3. Step 3: Cross multiply
    836.41x = 1,253.58 × 373.54
  4. Step 4: Simplify right side
    836.41x = 468,262.27
  5. Step 5: Solve for x
    x = 468,262.27/836.41
  6. Step 6: Final answer
    x = 559.85

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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.