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Finding the Fourth Proportional to 587.07, 810.32 and 365.89

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Solution

The fourth proportional to 587.07, 810.32 and 365.89 is: 505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.07 : 810.32 = 365.89 : x
  2. Step 2: Convert to fraction form
    587.07/810.32 = 365.89/x
  3. Step 3: Cross multiply
    587.07x = 810.32 × 365.89
  4. Step 4: Simplify right side
    587.07x = 296,487.98
  5. Step 5: Solve for x
    x = 296,487.98/587.07
  6. Step 6: Final answer
    x = 505.03

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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.