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Finding the Fourth Proportional to 565.77, 847.59 and 291.18

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Solution

The fourth proportional to 565.77, 847.59 and 291.18 is: 436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.77 : 847.59 = 291.18 : x
  2. Step 2: Convert to fraction form
    565.77/847.59 = 291.18/x
  3. Step 3: Cross multiply
    565.77x = 847.59 × 291.18
  4. Step 4: Simplify right side
    565.77x = 246,801.26
  5. Step 5: Solve for x
    x = 246,801.26/565.77
  6. Step 6: Final answer
    x = 436.22

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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.