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Finding the Fourth Proportional to 565.39, 847.68 and 277.03

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Solution

The fourth proportional to 565.39, 847.68 and 277.03 is: 415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.39 : 847.68 = 277.03 : x
  2. Step 2: Convert to fraction form
    565.39/847.68 = 277.03/x
  3. Step 3: Cross multiply
    565.39x = 847.68 × 277.03
  4. Step 4: Simplify right side
    565.39x = 234,832.79
  5. Step 5: Solve for x
    x = 234,832.79/565.39
  6. Step 6: Final answer
    x = 415.35

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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.