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Finding the Fourth Proportional to 479.01, 662.25 and 368.85

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Solution

The fourth proportional to 479.01, 662.25 and 368.85 is: 509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.01 : 662.25 = 368.85 : x
  2. Step 2: Convert to fraction form
    479.01/662.25 = 368.85/x
  3. Step 3: Cross multiply
    479.01x = 662.25 × 368.85
  4. Step 4: Simplify right side
    479.01x = 244,270.91
  5. Step 5: Solve for x
    x = 244,270.91/479.01
  6. Step 6: Final answer
    x = 509.95

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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.