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Finding the Fourth Proportional to 652.68, 984.83 and 627.36

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Solution

The fourth proportional to 652.68, 984.83 and 627.36 is: 946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.68 : 984.83 = 627.36 : x
  2. Step 2: Convert to fraction form
    652.68/984.83 = 627.36/x
  3. Step 3: Cross multiply
    652.68x = 984.83 × 627.36
  4. Step 4: Simplify right side
    652.68x = 617,839.81
  5. Step 5: Solve for x
    x = 617,839.81/652.68
  6. Step 6: Final answer
    x = 946.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.