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Finding the Fourth Proportional to 669.26, 925.29 and 504.32

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Solution

The fourth proportional to 669.26, 925.29 and 504.32 is: 697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    669.26 : 925.29 = 504.32 : x
  2. Step 2: Convert to fraction form
    669.26/925.29 = 504.32/x
  3. Step 3: Cross multiply
    669.26x = 925.29 × 504.32
  4. Step 4: Simplify right side
    669.26x = 466,642.25
  5. Step 5: Solve for x
    x = 466,642.25/669.26
  6. Step 6: Final answer
    x = 697.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.