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Finding the Fourth Proportional to 237.89, 328.34 and 133.01

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Solution

The fourth proportional to 237.89, 328.34 and 133.01 is: 183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.89 : 328.34 = 133.01 : x
  2. Step 2: Convert to fraction form
    237.89/328.34 = 133.01/x
  3. Step 3: Cross multiply
    237.89x = 328.34 × 133.01
  4. Step 4: Simplify right side
    237.89x = 43,671.84
  5. Step 5: Solve for x
    x = 43,671.84/237.89
  6. Step 6: Final answer
    x = 183.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.