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Finding the Fourth Proportional to 344.83, 517.65 and 152.59

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Solution

The fourth proportional to 344.83, 517.65 and 152.59 is: 229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.83 : 517.65 = 152.59 : x
  2. Step 2: Convert to fraction form
    344.83/517.65 = 152.59/x
  3. Step 3: Cross multiply
    344.83x = 517.65 × 152.59
  4. Step 4: Simplify right side
    344.83x = 78,988.21
  5. Step 5: Solve for x
    x = 78,988.21/344.83
  6. Step 6: Final answer
    x = 229.06

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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.