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Finding the Fourth Proportional to 437.99, 604.50 and 251.48

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Solution

The fourth proportional to 437.99, 604.50 and 251.48 is: 347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.99 : 604.50 = 251.48 : x
  2. Step 2: Convert to fraction form
    437.99/604.50 = 251.48/x
  3. Step 3: Cross multiply
    437.99x = 604.50 × 251.48
  4. Step 4: Simplify right side
    437.99x = 152,015.38
  5. Step 5: Solve for x
    x = 152,015.38/437.99
  6. Step 6: Final answer
    x = 347.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.