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Finding the Fourth Proportional to 365.01, 547.56 and 156.79

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Solution

The fourth proportional to 365.01, 547.56 and 156.79 is: 235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.01 : 547.56 = 156.79 : x
  2. Step 2: Convert to fraction form
    365.01/547.56 = 156.79/x
  3. Step 3: Cross multiply
    365.01x = 547.56 × 156.79
  4. Step 4: Simplify right side
    365.01x = 85,852.62
  5. Step 5: Solve for x
    x = 85,852.62/365.01
  6. Step 6: Final answer
    x = 235.21

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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.