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Finding the Fourth Proportional to 600.40, 901.26 and 539.08

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Solution

The fourth proportional to 600.40, 901.26 and 539.08 is: 809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.40 : 901.26 = 539.08 : x
  2. Step 2: Convert to fraction form
    600.40/901.26 = 539.08/x
  3. Step 3: Cross multiply
    600.40x = 901.26 × 539.08
  4. Step 4: Simplify right side
    600.40x = 485,851.24
  5. Step 5: Solve for x
    x = 485,851.24/600.40
  6. Step 6: Final answer
    x = 809.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.