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Finding the Fourth Proportional to 651.24, 982.53 and 579.96

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Solution

The fourth proportional to 651.24, 982.53 and 579.96 is: 874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.24 : 982.53 = 579.96 : x
  2. Step 2: Convert to fraction form
    651.24/982.53 = 579.96/x
  3. Step 3: Cross multiply
    651.24x = 982.53 × 579.96
  4. Step 4: Simplify right side
    651.24x = 569,828.10
  5. Step 5: Solve for x
    x = 569,828.10/651.24
  6. Step 6: Final answer
    x = 874.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.