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Finding the Fourth Proportional to 500.44, 746.60 and 477.24

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Solution

The fourth proportional to 500.44, 746.60 and 477.24 is: 711.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.44 : 746.60 = 477.24 : x
  2. Step 2: Convert to fraction form
    500.44/746.60 = 477.24/x
  3. Step 3: Cross multiply
    500.44x = 746.60 × 477.24
  4. Step 4: Simplify right side
    500.44x = 356,307.38
  5. Step 5: Solve for x
    x = 356,307.38/500.44
  6. Step 6: Final answer
    x = 711.99

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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.