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Finding the Fourth Proportional to 494.58, 740.49 and 250.58

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Solution

The fourth proportional to 494.58, 740.49 and 250.58 is: 375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.58 : 740.49 = 250.58 : x
  2. Step 2: Convert to fraction form
    494.58/740.49 = 250.58/x
  3. Step 3: Cross multiply
    494.58x = 740.49 × 250.58
  4. Step 4: Simplify right side
    494.58x = 185,551.98
  5. Step 5: Solve for x
    x = 185,551.98/494.58
  6. Step 6: Final answer
    x = 375.17

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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.