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Finding the Fourth Proportional to 650.12, 975.18 and 260.33

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Solution

The fourth proportional to 650.12, 975.18 and 260.33 is: 390.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.12 : 975.18 = 260.33 : x
  2. Step 2: Convert to fraction form
    650.12/975.18 = 260.33/x
  3. Step 3: Cross multiply
    650.12x = 975.18 × 260.33
  4. Step 4: Simplify right side
    650.12x = 253,868.61
  5. Step 5: Solve for x
    x = 253,868.61/650.12
  6. Step 6: Final answer
    x = 390.50

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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.