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Finding the Fourth Proportional to 158.55, 237.85 and 50.36

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Solution

The fourth proportional to 158.55, 237.85 and 50.36 is: 75.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.55 : 237.85 = 50.36 : x
  2. Step 2: Convert to fraction form
    158.55/237.85 = 50.36/x
  3. Step 3: Cross multiply
    158.55x = 237.85 × 50.36
  4. Step 4: Simplify right side
    158.55x = 11,978.13
  5. Step 5: Solve for x
    x = 11,978.13/158.55
  6. Step 6: Final answer
    x = 75.55

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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.