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Finding the Fourth Proportional to 375.04, 562.64 and 131.50

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Solution

The fourth proportional to 375.04, 562.64 and 131.50 is: 197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.04 : 562.64 = 131.50 : x
  2. Step 2: Convert to fraction form
    375.04/562.64 = 131.50/x
  3. Step 3: Cross multiply
    375.04x = 562.64 × 131.50
  4. Step 4: Simplify right side
    375.04x = 73,987.16
  5. Step 5: Solve for x
    x = 73,987.16/375.04
  6. Step 6: Final answer
    x = 197.28

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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.