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Finding the Fourth Proportional to 565.21, 848.92 and 540.91

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Solution

The fourth proportional to 565.21, 848.92 and 540.91 is: 812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.21 : 848.92 = 540.91 : x
  2. Step 2: Convert to fraction form
    565.21/848.92 = 540.91/x
  3. Step 3: Cross multiply
    565.21x = 848.92 × 540.91
  4. Step 4: Simplify right side
    565.21x = 459,185.75
  5. Step 5: Solve for x
    x = 459,185.75/565.21
  6. Step 6: Final answer
    x = 812.42

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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.