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Finding the Fourth Proportional to 603.13, 903.94 and 310.22

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Solution

The fourth proportional to 603.13, 903.94 and 310.22 is: 464.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.13 : 903.94 = 310.22 : x
  2. Step 2: Convert to fraction form
    603.13/903.94 = 310.22/x
  3. Step 3: Cross multiply
    603.13x = 903.94 × 310.22
  4. Step 4: Simplify right side
    603.13x = 280,420.27
  5. Step 5: Solve for x
    x = 280,420.27/603.13
  6. Step 6: Final answer
    x = 464.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.