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Finding the Fourth Proportional to 501.21, 746.55 and 500.27

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Solution

The fourth proportional to 501.21, 746.55 and 500.27 is: 745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.21 : 746.55 = 500.27 : x
  2. Step 2: Convert to fraction form
    501.21/746.55 = 500.27/x
  3. Step 3: Cross multiply
    501.21x = 746.55 × 500.27
  4. Step 4: Simplify right side
    501.21x = 373,472.84
  5. Step 5: Solve for x
    x = 373,472.84/501.21
  6. Step 6: Final answer
    x = 745.14

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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.