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Finding the Fourth Proportional to 264.02, 363.32 and 243.50

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Solution

The fourth proportional to 264.02, 363.32 and 243.50 is: 335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.02 : 363.32 = 243.50 : x
  2. Step 2: Convert to fraction form
    264.02/363.32 = 243.50/x
  3. Step 3: Cross multiply
    264.02x = 363.32 × 243.50
  4. Step 4: Simplify right side
    264.02x = 88,468.42
  5. Step 5: Solve for x
    x = 88,468.42/264.02
  6. Step 6: Final answer
    x = 335.08

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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.