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Finding the Fourth Proportional to 264.42, 363.40 and 206.10

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Solution

The fourth proportional to 264.42, 363.40 and 206.10 is: 283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.42 : 363.40 = 206.10 : x
  2. Step 2: Convert to fraction form
    264.42/363.40 = 206.10/x
  3. Step 3: Cross multiply
    264.42x = 363.40 × 206.10
  4. Step 4: Simplify right side
    264.42x = 74,896.22
  5. Step 5: Solve for x
    x = 74,896.22/264.42
  6. Step 6: Final answer
    x = 283.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.