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Finding the Fourth Proportional to 600.39, 900.80 and 292.08

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Solution

The fourth proportional to 600.39, 900.80 and 292.08 is: 438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.39 : 900.80 = 292.08 : x
  2. Step 2: Convert to fraction form
    600.39/900.80 = 292.08/x
  3. Step 3: Cross multiply
    600.39x = 900.80 × 292.08
  4. Step 4: Simplify right side
    600.39x = 263,105.66
  5. Step 5: Solve for x
    x = 263,105.66/600.39
  6. Step 6: Final answer
    x = 438.22

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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.