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Finding the Fourth Proportional to 440, 658.24 and 295.04

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Solution

The fourth proportional to 440, 658.24 and 295.04 is: 441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    440 : 658.24 = 295.04 : x
  2. Step 2: Convert to fraction form
    440/658.24 = 295.04/x
  3. Step 3: Cross multiply
    440x = 658.24 × 295.04
  4. Step 4: Simplify right side
    440x = 194,207.13
  5. Step 5: Solve for x
    x = 194,207.13/440
  6. Step 6: Final answer
    x = 441.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.