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Finding the Fourth Proportional to 604.26, 907.20 and 374.22

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Solution

The fourth proportional to 604.26, 907.20 and 374.22 is: 561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.26 : 907.20 = 374.22 : x
  2. Step 2: Convert to fraction form
    604.26/907.20 = 374.22/x
  3. Step 3: Cross multiply
    604.26x = 907.20 × 374.22
  4. Step 4: Simplify right side
    604.26x = 339,492.38
  5. Step 5: Solve for x
    x = 339,492.38/604.26
  6. Step 6: Final answer
    x = 561.83

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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.