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Finding the Fourth Proportional to 628.30, 942.52 and 335.60

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Solution

The fourth proportional to 628.30, 942.52 and 335.60 is: 503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    628.30 : 942.52 = 335.60 : x
  2. Step 2: Convert to fraction form
    628.30/942.52 = 335.60/x
  3. Step 3: Cross multiply
    628.30x = 942.52 × 335.60
  4. Step 4: Simplify right side
    628.30x = 316,309.71
  5. Step 5: Solve for x
    x = 316,309.71/628.30
  6. Step 6: Final answer
    x = 503.44

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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.