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Finding the Fourth Proportional to 375.68, 563.44 and 101.70

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Solution

The fourth proportional to 375.68, 563.44 and 101.70 is: 152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.68 : 563.44 = 101.70 : x
  2. Step 2: Convert to fraction form
    375.68/563.44 = 101.70/x
  3. Step 3: Cross multiply
    375.68x = 563.44 × 101.70
  4. Step 4: Simplify right side
    375.68x = 57,301.85
  5. Step 5: Solve for x
    x = 57,301.85/375.68
  6. Step 6: Final answer
    x = 152.53

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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.