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Finding the Fourth Proportional to 264.09, 363.35 and 228.99

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Solution

The fourth proportional to 264.09, 363.35 and 228.99 is: 315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.09 : 363.35 = 228.99 : x
  2. Step 2: Convert to fraction form
    264.09/363.35 = 228.99/x
  3. Step 3: Cross multiply
    264.09x = 363.35 × 228.99
  4. Step 4: Simplify right side
    264.09x = 83,205.45
  5. Step 5: Solve for x
    x = 83,205.45/264.09
  6. Step 6: Final answer
    x = 315.06

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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.