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Finding the Fourth Proportional to 565.59, 849 and 479.99

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Solution

The fourth proportional to 565.59, 849 and 479.99 is: 720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.59 : 849 = 479.99 : x
  2. Step 2: Convert to fraction form
    565.59/849 = 479.99/x
  3. Step 3: Cross multiply
    565.59x = 849 × 479.99
  4. Step 4: Simplify right side
    565.59x = 407,507.27
  5. Step 5: Solve for x
    x = 407,507.27/565.59
  6. Step 6: Final answer
    x = 720.50

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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.