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Finding the Fourth Proportional to 375.14, 561.68 and 283.56

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Solution

The fourth proportional to 375.14, 561.68 and 283.56 is: 424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.14 : 561.68 = 283.56 : x
  2. Step 2: Convert to fraction form
    375.14/561.68 = 283.56/x
  3. Step 3: Cross multiply
    375.14x = 561.68 × 283.56
  4. Step 4: Simplify right side
    375.14x = 159,269.98
  5. Step 5: Solve for x
    x = 159,269.98/375.14
  6. Step 6: Final answer
    x = 424.56

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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.