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Finding the Fourth Proportional to 951.50, 1,426.08 and 676.10

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Solution

The fourth proportional to 951.50, 1,426.08 and 676.10 is: 1,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.50 : 1,426.08 = 676.10 : x
  2. Step 2: Convert to fraction form
    951.50/1,426.08 = 676.10/x
  3. Step 3: Cross multiply
    951.50x = 1,426.08 × 676.10
  4. Step 4: Simplify right side
    951.50x = 964,172.69
  5. Step 5: Solve for x
    x = 964,172.69/951.50
  6. Step 6: Final answer
    x = 1,013.32

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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.