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Finding the Fourth Proportional to 600.86, 900.40 and 292.36

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Solution

The fourth proportional to 600.86, 900.40 and 292.36 is: 438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.86 : 900.40 = 292.36 : x
  2. Step 2: Convert to fraction form
    600.86/900.40 = 292.36/x
  3. Step 3: Cross multiply
    600.86x = 900.40 × 292.36
  4. Step 4: Simplify right side
    600.86x = 263,240.94
  5. Step 5: Solve for x
    x = 263,240.94/600.86
  6. Step 6: Final answer
    x = 438.11

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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.