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Finding the Fourth Proportional to 437.46, 603.60 and 304.62

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Solution

The fourth proportional to 437.46, 603.60 and 304.62 is: 420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.46 : 603.60 = 304.62 : x
  2. Step 2: Convert to fraction form
    437.46/603.60 = 304.62/x
  3. Step 3: Cross multiply
    437.46x = 603.60 × 304.62
  4. Step 4: Simplify right side
    437.46x = 183,868.63
  5. Step 5: Solve for x
    x = 183,868.63/437.46
  6. Step 6: Final answer
    x = 420.31

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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.