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Finding the Fourth Proportional to 954.71, 1,432.08 and 627.73

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Solution

The fourth proportional to 954.71, 1,432.08 and 627.73 is: 941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.71 : 1,432.08 = 627.73 : x
  2. Step 2: Convert to fraction form
    954.71/1,432.08 = 627.73/x
  3. Step 3: Cross multiply
    954.71x = 1,432.08 × 627.73
  4. Step 4: Simplify right side
    954.71x = 898,964.05
  5. Step 5: Solve for x
    x = 898,964.05/954.71
  6. Step 6: Final answer
    x = 941.61

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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.