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Finding the Fourth Proportional to 651.28, 975.54 and 606.33

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Solution

The fourth proportional to 651.28, 975.54 and 606.33 is: 908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.28 : 975.54 = 606.33 : x
  2. Step 2: Convert to fraction form
    651.28/975.54 = 606.33/x
  3. Step 3: Cross multiply
    651.28x = 975.54 × 606.33
  4. Step 4: Simplify right side
    651.28x = 591,499.17
  5. Step 5: Solve for x
    x = 591,499.17/651.28
  6. Step 6: Final answer
    x = 908.21

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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.