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Finding the Fourth Proportional to 600.70, 900.78 and 235.30

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Solution

The fourth proportional to 600.70, 900.78 and 235.30 is: 352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.70 : 900.78 = 235.30 : x
  2. Step 2: Convert to fraction form
    600.70/900.78 = 235.30/x
  3. Step 3: Cross multiply
    600.70x = 900.78 × 235.30
  4. Step 4: Simplify right side
    600.70x = 211,953.53
  5. Step 5: Solve for x
    x = 211,953.53/600.70
  6. Step 6: Final answer
    x = 352.84

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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.