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Finding the Fourth Proportional to 604.45, 903.23 and 507.25

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Solution

The fourth proportional to 604.45, 903.23 and 507.25 is: 757.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.45 : 903.23 = 507.25 : x
  2. Step 2: Convert to fraction form
    604.45/903.23 = 507.25/x
  3. Step 3: Cross multiply
    604.45x = 903.23 × 507.25
  4. Step 4: Simplify right side
    604.45x = 458,160.88
  5. Step 5: Solve for x
    x = 458,160.88/604.45
  6. Step 6: Final answer
    x = 757.98

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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.