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Finding the Fourth Proportional to 375.08, 562.66 and 131.54

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Solution

The fourth proportional to 375.08, 562.66 and 131.54 is: 197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.08 : 562.66 = 131.54 : x
  2. Step 2: Convert to fraction form
    375.08/562.66 = 131.54/x
  3. Step 3: Cross multiply
    375.08x = 562.66 × 131.54
  4. Step 4: Simplify right side
    375.08x = 74,011.64
  5. Step 5: Solve for x
    x = 74,011.64/375.08
  6. Step 6: Final answer
    x = 197.32

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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.