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Finding the Fourth Proportional to 237.72, 354.99 and 235.17

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Solution

The fourth proportional to 237.72, 354.99 and 235.17 is: 351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.72 : 354.99 = 235.17 : x
  2. Step 2: Convert to fraction form
    237.72/354.99 = 235.17/x
  3. Step 3: Cross multiply
    237.72x = 354.99 × 235.17
  4. Step 4: Simplify right side
    237.72x = 83,483.00
  5. Step 5: Solve for x
    x = 83,483.00/237.72
  6. Step 6: Final answer
    x = 351.18

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Why These Related Problems?

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