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Finding the Fourth Proportional to 565.65, 848.61 and 276.75

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Solution

The fourth proportional to 565.65, 848.61 and 276.75 is: 415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.65 : 848.61 = 276.75 : x
  2. Step 2: Convert to fraction form
    565.65/848.61 = 276.75/x
  3. Step 3: Cross multiply
    565.65x = 848.61 × 276.75
  4. Step 4: Simplify right side
    565.65x = 234,852.82
  5. Step 5: Solve for x
    x = 234,852.82/565.65
  6. Step 6: Final answer
    x = 415.19

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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.