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Finding the Fourth Proportional to 600.04, 900.78 and 356.68

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Solution

The fourth proportional to 600.04, 900.78 and 356.68 is: 535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.04 : 900.78 = 356.68 : x
  2. Step 2: Convert to fraction form
    600.04/900.78 = 356.68/x
  3. Step 3: Cross multiply
    600.04x = 900.78 × 356.68
  4. Step 4: Simplify right side
    600.04x = 321,290.21
  5. Step 5: Solve for x
    x = 321,290.21/600.04
  6. Step 6: Final answer
    x = 535.45

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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.