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Finding the Fourth Proportional to 347.04, 479.00 and 207.24

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Solution

The fourth proportional to 347.04, 479.00 and 207.24 is: 286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.04 : 479.00 = 207.24 : x
  2. Step 2: Convert to fraction form
    347.04/479.00 = 207.24/x
  3. Step 3: Cross multiply
    347.04x = 479.00 × 207.24
  4. Step 4: Simplify right side
    347.04x = 99,266.92
  5. Step 5: Solve for x
    x = 99,266.92/347.04
  6. Step 6: Final answer
    x = 286.04

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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.