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Finding the Fourth Proportional to 660.10, 953.46 and 660.10

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Solution

The fourth proportional to 660.10, 953.46 and 660.10 is: 953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    660.10 : 953.46 = 660.10 : x
  2. Step 2: Convert to fraction form
    660.10/953.46 = 660.10/x
  3. Step 3: Cross multiply
    660.10x = 953.46 × 660.10
  4. Step 4: Simplify right side
    660.10x = 629,378.95
  5. Step 5: Solve for x
    x = 629,378.95/660.10
  6. Step 6: Final answer
    x = 953.46

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.