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Finding the Fourth Proportional to 331.56, 494.98 and 295.10

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Solution

The fourth proportional to 331.56, 494.98 and 295.10 is: 440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.56 : 494.98 = 295.10 : x
  2. Step 2: Convert to fraction form
    331.56/494.98 = 295.10/x
  3. Step 3: Cross multiply
    331.56x = 494.98 × 295.10
  4. Step 4: Simplify right side
    331.56x = 146,068.60
  5. Step 5: Solve for x
    x = 146,068.60/331.56
  6. Step 6: Final answer
    x = 440.55

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.