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Finding the Fourth Proportional to 650.12, 973.58 and 609.12

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Solution

The fourth proportional to 650.12, 973.58 and 609.12 is: 912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.12 : 973.58 = 609.12 : x
  2. Step 2: Convert to fraction form
    650.12/973.58 = 609.12/x
  3. Step 3: Cross multiply
    650.12x = 973.58 × 609.12
  4. Step 4: Simplify right side
    650.12x = 593,024.00
  5. Step 5: Solve for x
    x = 593,024.00/650.12
  6. Step 6: Final answer
    x = 912.18

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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.