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Finding the Fourth Proportional to 441.90, 602.10 and 439.16

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Solution

The fourth proportional to 441.90, 602.10 and 439.16 is: 598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.90 : 602.10 = 439.16 : x
  2. Step 2: Convert to fraction form
    441.90/602.10 = 439.16/x
  3. Step 3: Cross multiply
    441.90x = 602.10 × 439.16
  4. Step 4: Simplify right side
    441.90x = 264,415.23
  5. Step 5: Solve for x
    x = 264,415.23/441.90
  6. Step 6: Final answer
    x = 598.36

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.