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Finding the Fourth Proportional to 378.15, 566.01 and 195.30

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Solution

The fourth proportional to 378.15, 566.01 and 195.30 is: 292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    378.15 : 566.01 = 195.30 : x
  2. Step 2: Convert to fraction form
    378.15/566.01 = 195.30/x
  3. Step 3: Cross multiply
    378.15x = 566.01 × 195.30
  4. Step 4: Simplify right side
    378.15x = 110,541.75
  5. Step 5: Solve for x
    x = 110,541.75/378.15
  6. Step 6: Final answer
    x = 292.32

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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.