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Finding the Fourth Proportional to 565.16, 847.74 and 240.31

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Solution

The fourth proportional to 565.16, 847.74 and 240.31 is: 360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.16 : 847.74 = 240.31 : x
  2. Step 2: Convert to fraction form
    565.16/847.74 = 240.31/x
  3. Step 3: Cross multiply
    565.16x = 847.74 × 240.31
  4. Step 4: Simplify right side
    565.16x = 203,720.40
  5. Step 5: Solve for x
    x = 203,720.40/565.16
  6. Step 6: Final answer
    x = 360.47

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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.