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Finding the Fourth Proportional to 504.21, 696.29 and 476.94

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Solution

The fourth proportional to 504.21, 696.29 and 476.94 is: 658.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.21 : 696.29 = 476.94 : x
  2. Step 2: Convert to fraction form
    504.21/696.29 = 476.94/x
  3. Step 3: Cross multiply
    504.21x = 696.29 × 476.94
  4. Step 4: Simplify right side
    504.21x = 332,086.17
  5. Step 5: Solve for x
    x = 332,086.17/504.21
  6. Step 6: Final answer
    x = 658.63

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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.