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Finding the Fourth Proportional to 435.57, 601.94 and 356.76

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Solution

The fourth proportional to 435.57, 601.94 and 356.76 is: 493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.57 : 601.94 = 356.76 : x
  2. Step 2: Convert to fraction form
    435.57/601.94 = 356.76/x
  3. Step 3: Cross multiply
    435.57x = 601.94 × 356.76
  4. Step 4: Simplify right side
    435.57x = 214,747.83
  5. Step 5: Solve for x
    x = 214,747.83/435.57
  6. Step 6: Final answer
    x = 493.03

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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.