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Finding the Fourth Proportional to 264.60, 365.18 and 159.70

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Solution

The fourth proportional to 264.60, 365.18 and 159.70 is: 220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.60 : 365.18 = 159.70 : x
  2. Step 2: Convert to fraction form
    264.60/365.18 = 159.70/x
  3. Step 3: Cross multiply
    264.60x = 365.18 × 159.70
  4. Step 4: Simplify right side
    264.60x = 58,319.51
  5. Step 5: Solve for x
    x = 58,319.51/264.60
  6. Step 6: Final answer
    x = 220.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.