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Finding the Fourth Proportional to 377.28, 563.04 and 357.84

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Solution

The fourth proportional to 377.28, 563.04 and 357.84 is: 534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.28 : 563.04 = 357.84 : x
  2. Step 2: Convert to fraction form
    377.28/563.04 = 357.84/x
  3. Step 3: Cross multiply
    377.28x = 563.04 × 357.84
  4. Step 4: Simplify right side
    377.28x = 201,478.23
  5. Step 5: Solve for x
    x = 201,478.23/377.28
  6. Step 6: Final answer
    x = 534.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.