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Finding the Fourth Proportional to 951.14, 1,419.32 and 873.38

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Solution

The fourth proportional to 951.14, 1,419.32 and 873.38 is: 1,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.14 : 1,419.32 = 873.38 : x
  2. Step 2: Convert to fraction form
    951.14/1,419.32 = 873.38/x
  3. Step 3: Cross multiply
    951.14x = 1,419.32 × 873.38
  4. Step 4: Simplify right side
    951.14x = 1,239,611.43
  5. Step 5: Solve for x
    x = 1,239,611.43/951.14
  6. Step 6: Final answer
    x = 1,303.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.