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Finding the Fourth Proportional to 628.32, 941.04 and 606.72

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Solution

The fourth proportional to 628.32, 941.04 and 606.72 is: 908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    628.32 : 941.04 = 606.72 : x
  2. Step 2: Convert to fraction form
    628.32/941.04 = 606.72/x
  3. Step 3: Cross multiply
    628.32x = 941.04 × 606.72
  4. Step 4: Simplify right side
    628.32x = 570,947.79
  5. Step 5: Solve for x
    x = 570,947.79/628.32
  6. Step 6: Final answer
    x = 908.69

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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.