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Finding the Fourth Proportional to 650.87, 969.18 and 627.51

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Solution

The fourth proportional to 650.87, 969.18 and 627.51 is: 934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.87 : 969.18 = 627.51 : x
  2. Step 2: Convert to fraction form
    650.87/969.18 = 627.51/x
  3. Step 3: Cross multiply
    650.87x = 969.18 × 627.51
  4. Step 4: Simplify right side
    650.87x = 608,170.14
  5. Step 5: Solve for x
    x = 608,170.14/650.87
  6. Step 6: Final answer
    x = 934.40

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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.