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Finding the Fourth Proportional to 652.10, 979.16 and 550.17

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Solution

The fourth proportional to 652.10, 979.16 and 550.17 is: 826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.10 : 979.16 = 550.17 : x
  2. Step 2: Convert to fraction form
    652.10/979.16 = 550.17/x
  3. Step 3: Cross multiply
    652.10x = 979.16 × 550.17
  4. Step 4: Simplify right side
    652.10x = 538,701.71
  5. Step 5: Solve for x
    x = 538,701.71/652.10
  6. Step 6: Final answer
    x = 826.11

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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.