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Finding the Fourth Proportional to 650.12, 975.24 and 433.04

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Solution

The fourth proportional to 650.12, 975.24 and 433.04 is: 649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.12 : 975.24 = 433.04 : x
  2. Step 2: Convert to fraction form
    650.12/975.24 = 433.04/x
  3. Step 3: Cross multiply
    650.12x = 975.24 × 433.04
  4. Step 4: Simplify right side
    650.12x = 422,317.93
  5. Step 5: Solve for x
    x = 422,317.93/650.12
  6. Step 6: Final answer
    x = 649.60

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1.5x scale

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.