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Finding the Fourth Proportional to 375.80, 563.99 and 245.77

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Solution

The fourth proportional to 375.80, 563.99 and 245.77 is: 368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.80 : 563.99 = 245.77 : x
  2. Step 2: Convert to fraction form
    375.80/563.99 = 245.77/x
  3. Step 3: Cross multiply
    375.80x = 563.99 × 245.77
  4. Step 4: Simplify right side
    375.80x = 138,611.82
  5. Step 5: Solve for x
    x = 138,611.82/375.80
  6. Step 6: Final answer
    x = 368.84

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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.