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Finding the Fourth Proportional to 951.15, 1,429.04 and 898.71

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Solution

The fourth proportional to 951.15, 1,429.04 and 898.71 is: 1,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.15 : 1,429.04 = 898.71 : x
  2. Step 2: Convert to fraction form
    951.15/1,429.04 = 898.71/x
  3. Step 3: Cross multiply
    951.15x = 1,429.04 × 898.71
  4. Step 4: Simplify right side
    951.15x = 1,284,292.54
  5. Step 5: Solve for x
    x = 1,284,292.54/951.15
  6. Step 6: Final answer
    x = 1,350.25

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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.