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Finding the Fourth Proportional to 437.90, 603.33 and 424.54

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Solution

The fourth proportional to 437.90, 603.33 and 424.54 is: 584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.90 : 603.33 = 424.54 : x
  2. Step 2: Convert to fraction form
    437.90/603.33 = 424.54/x
  3. Step 3: Cross multiply
    437.90x = 603.33 × 424.54
  4. Step 4: Simplify right side
    437.90x = 256,134.70
  5. Step 5: Solve for x
    x = 256,134.70/437.90
  6. Step 6: Final answer
    x = 584.92

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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.