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Finding the Fourth Proportional to 435.50, 600.77 and 269.45

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Solution

The fourth proportional to 435.50, 600.77 and 269.45 is: 371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.50 : 600.77 = 269.45 : x
  2. Step 2: Convert to fraction form
    435.50/600.77 = 269.45/x
  3. Step 3: Cross multiply
    435.50x = 600.77 × 269.45
  4. Step 4: Simplify right side
    435.50x = 161,873.13
  5. Step 5: Solve for x
    x = 161,873.13/435.50
  6. Step 6: Final answer
    x = 371.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.