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Finding the Fourth Proportional to 376.02, 563.40 and 245.86

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Solution

The fourth proportional to 376.02, 563.40 and 245.86 is: 368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.02 : 563.40 = 245.86 : x
  2. Step 2: Convert to fraction form
    376.02/563.40 = 245.86/x
  3. Step 3: Cross multiply
    376.02x = 563.40 × 245.86
  4. Step 4: Simplify right side
    376.02x = 138,516.12
  5. Step 5: Solve for x
    x = 138,516.12/376.02
  6. Step 6: Final answer
    x = 368.37

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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.