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Finding the Fourth Proportional to 650.58, 975.09 and 454.51

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Solution

The fourth proportional to 650.58, 975.09 and 454.51 is: 681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.58 : 975.09 = 454.51 : x
  2. Step 2: Convert to fraction form
    650.58/975.09 = 454.51/x
  3. Step 3: Cross multiply
    650.58x = 975.09 × 454.51
  4. Step 4: Simplify right side
    650.58x = 443,188.52
  5. Step 5: Solve for x
    x = 443,188.52/650.58
  6. Step 6: Final answer
    x = 681.22

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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.