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Finding the Fourth Proportional to 835.02, 1,160.46 and 826.38

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Solution

The fourth proportional to 835.02, 1,160.46 and 826.38 is: 1,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.02 : 1,160.46 = 826.38 : x
  2. Step 2: Convert to fraction form
    835.02/1,160.46 = 826.38/x
  3. Step 3: Cross multiply
    835.02x = 1,160.46 × 826.38
  4. Step 4: Simplify right side
    835.02x = 958,980.93
  5. Step 5: Solve for x
    x = 958,980.93/835.02
  6. Step 6: Final answer
    x = 1,148.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.