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Finding the Fourth Proportional to 565.88, 847.18 and 291.32

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Solution

The fourth proportional to 565.88, 847.18 and 291.32 is: 436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.88 : 847.18 = 291.32 : x
  2. Step 2: Convert to fraction form
    565.88/847.18 = 291.32/x
  3. Step 3: Cross multiply
    565.88x = 847.18 × 291.32
  4. Step 4: Simplify right side
    565.88x = 246,800.48
  5. Step 5: Solve for x
    x = 246,800.48/565.88
  6. Step 6: Final answer
    x = 436.14

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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.