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Finding the Fourth Proportional to 660.24, 984.60 and 607.10

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Solution

The fourth proportional to 660.24, 984.60 and 607.10 is: 905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    660.24 : 984.60 = 607.10 : x
  2. Step 2: Convert to fraction form
    660.24/984.60 = 607.10/x
  3. Step 3: Cross multiply
    660.24x = 984.60 × 607.10
  4. Step 4: Simplify right side
    660.24x = 597,745.74
  5. Step 5: Solve for x
    x = 597,745.74/660.24
  6. Step 6: Final answer
    x = 905.35

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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.