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Finding the Fourth Proportional to 159.01, 238.44 and 62.75

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Solution

The fourth proportional to 159.01, 238.44 and 62.75 is: 94.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.01 : 238.44 = 62.75 : x
  2. Step 2: Convert to fraction form
    159.01/238.44 = 62.75/x
  3. Step 3: Cross multiply
    159.01x = 238.44 × 62.75
  4. Step 4: Simplify right side
    159.01x = 14,962.11
  5. Step 5: Solve for x
    x = 14,962.11/159.01
  6. Step 6: Final answer
    x = 94.10

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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.