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Finding the Fourth Proportional to 248.83, 373.12 and 157.71

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Solution

The fourth proportional to 248.83, 373.12 and 157.71 is: 236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.83 : 373.12 = 157.71 : x
  2. Step 2: Convert to fraction form
    248.83/373.12 = 157.71/x
  3. Step 3: Cross multiply
    248.83x = 373.12 × 157.71
  4. Step 4: Simplify right side
    248.83x = 58,844.76
  5. Step 5: Solve for x
    x = 58,844.76/248.83
  6. Step 6: Final answer
    x = 236.49

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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.