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Finding the Fourth Proportional to 650.44, 975.60 and 265.40

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Solution

The fourth proportional to 650.44, 975.60 and 265.40 is: 398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.44 : 975.60 = 265.40 : x
  2. Step 2: Convert to fraction form
    650.44/975.60 = 265.40/x
  3. Step 3: Cross multiply
    650.44x = 975.60 × 265.40
  4. Step 4: Simplify right side
    650.44x = 258,924.24
  5. Step 5: Solve for x
    x = 258,924.24/650.44
  6. Step 6: Final answer
    x = 398.08

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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.