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Finding the Fourth Proportional to 587.72, 810.82 and 366.82

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Solution

The fourth proportional to 587.72, 810.82 and 366.82 is: 506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.72 : 810.82 = 366.82 : x
  2. Step 2: Convert to fraction form
    587.72/810.82 = 366.82/x
  3. Step 3: Cross multiply
    587.72x = 810.82 × 366.82
  4. Step 4: Simplify right side
    587.72x = 297,424.99
  5. Step 5: Solve for x
    x = 297,424.99/587.72
  6. Step 6: Final answer
    x = 506.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.