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Finding the Fourth Proportional to 237.10, 356.08 and 145.96

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Solution

The fourth proportional to 237.10, 356.08 and 145.96 is: 219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.10 : 356.08 = 145.96 : x
  2. Step 2: Convert to fraction form
    237.10/356.08 = 145.96/x
  3. Step 3: Cross multiply
    237.10x = 356.08 × 145.96
  4. Step 4: Simplify right side
    237.10x = 51,973.44
  5. Step 5: Solve for x
    x = 51,973.44/237.10
  6. Step 6: Final answer
    x = 219.20

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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.