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Finding the Fourth Proportional to 835.58, 1,253.44 and 348.67

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Solution

The fourth proportional to 835.58, 1,253.44 and 348.67 is: 523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.58 : 1,253.44 = 348.67 : x
  2. Step 2: Convert to fraction form
    835.58/1,253.44 = 348.67/x
  3. Step 3: Cross multiply
    835.58x = 1,253.44 × 348.67
  4. Step 4: Simplify right side
    835.58x = 437,038.93
  5. Step 5: Solve for x
    x = 437,038.93/835.58
  6. Step 6: Final answer
    x = 523.04

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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.