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Finding the Fourth Proportional to 587.15, 880.67 and 170.71

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Solution

The fourth proportional to 587.15, 880.67 and 170.71 is: 256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.15 : 880.67 = 170.71 : x
  2. Step 2: Convert to fraction form
    587.15/880.67 = 170.71/x
  3. Step 3: Cross multiply
    587.15x = 880.67 × 170.71
  4. Step 4: Simplify right side
    587.15x = 150,337.40
  5. Step 5: Solve for x
    x = 150,337.40/587.15
  6. Step 6: Final answer
    x = 256.05

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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.