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Finding the Fourth Proportional to 581.75, 873.87 and 365.48

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Solution

The fourth proportional to 581.75, 873.87 and 365.48 is: 549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.75 : 873.87 = 365.48 : x
  2. Step 2: Convert to fraction form
    581.75/873.87 = 365.48/x
  3. Step 3: Cross multiply
    581.75x = 873.87 × 365.48
  4. Step 4: Simplify right side
    581.75x = 319,379.82
  5. Step 5: Solve for x
    x = 319,379.82/581.75
  6. Step 6: Final answer
    x = 549.00

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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.