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Finding the Fourth Proportional to 237.70, 330.27 and 235.16

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Solution

The fourth proportional to 237.70, 330.27 and 235.16 is: 326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.70 : 330.27 = 235.16 : x
  2. Step 2: Convert to fraction form
    237.70/330.27 = 235.16/x
  3. Step 3: Cross multiply
    237.70x = 330.27 × 235.16
  4. Step 4: Simplify right side
    237.70x = 77,666.29
  5. Step 5: Solve for x
    x = 77,666.29/237.70
  6. Step 6: Final answer
    x = 326.74

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.