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Finding the Fourth Proportional to 634.37, 944.01 and 609.77

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Solution

The fourth proportional to 634.37, 944.01 and 609.77 is: 907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.37 : 944.01 = 609.77 : x
  2. Step 2: Convert to fraction form
    634.37/944.01 = 609.77/x
  3. Step 3: Cross multiply
    634.37x = 944.01 × 609.77
  4. Step 4: Simplify right side
    634.37x = 575,624.26
  5. Step 5: Solve for x
    x = 575,624.26/634.37
  6. Step 6: Final answer
    x = 907.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.