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Finding the Fourth Proportional to 375.88, 562.74 and 231.16

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Solution

The fourth proportional to 375.88, 562.74 and 231.16 is: 346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.88 : 562.74 = 231.16 : x
  2. Step 2: Convert to fraction form
    375.88/562.74 = 231.16/x
  3. Step 3: Cross multiply
    375.88x = 562.74 × 231.16
  4. Step 4: Simplify right side
    375.88x = 130,082.98
  5. Step 5: Solve for x
    x = 130,082.98/375.88
  6. Step 6: Final answer
    x = 346.08

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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.