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Finding the Fourth Proportional to 587.65, 882.48 and 521.91

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Solution

The fourth proportional to 587.65, 882.48 and 521.91 is: 783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.65 : 882.48 = 521.91 : x
  2. Step 2: Convert to fraction form
    587.65/882.48 = 521.91/x
  3. Step 3: Cross multiply
    587.65x = 882.48 × 521.91
  4. Step 4: Simplify right side
    587.65x = 460,571.63
  5. Step 5: Solve for x
    x = 460,571.63/587.65
  6. Step 6: Final answer
    x = 783.76

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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.