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Finding the Fourth Proportional to 582.51, 872.64 and 552.99

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Solution

The fourth proportional to 582.51, 872.64 and 552.99 is: 828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.51 : 872.64 = 552.99 : x
  2. Step 2: Convert to fraction form
    582.51/872.64 = 552.99/x
  3. Step 3: Cross multiply
    582.51x = 872.64 × 552.99
  4. Step 4: Simplify right side
    582.51x = 482,561.19
  5. Step 5: Solve for x
    x = 482,561.19/582.51
  6. Step 6: Final answer
    x = 828.42

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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.