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Finding the Fourth Proportional to 446.87, 615.40 and 437.33

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Solution

The fourth proportional to 446.87, 615.40 and 437.33 is: 602.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.87 : 615.40 = 437.33 : x
  2. Step 2: Convert to fraction form
    446.87/615.40 = 437.33/x
  3. Step 3: Cross multiply
    446.87x = 615.40 × 437.33
  4. Step 4: Simplify right side
    446.87x = 269,132.88
  5. Step 5: Solve for x
    x = 269,132.88/446.87
  6. Step 6: Final answer
    x = 602.26

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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.