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Finding the Fourth Proportional to 264.96, 365.58 and 199.35

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Solution

The fourth proportional to 264.96, 365.58 and 199.35 is: 275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.96 : 365.58 = 199.35 : x
  2. Step 2: Convert to fraction form
    264.96/365.58 = 199.35/x
  3. Step 3: Cross multiply
    264.96x = 365.58 × 199.35
  4. Step 4: Simplify right side
    264.96x = 72,878.37
  5. Step 5: Solve for x
    x = 72,878.37/264.96
  6. Step 6: Final answer
    x = 275.05

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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.