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Finding the Fourth Proportional to 652.34, 979.59 and 624.26

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Solution

The fourth proportional to 652.34, 979.59 and 624.26 is: 937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.34 : 979.59 = 624.26 : x
  2. Step 2: Convert to fraction form
    652.34/979.59 = 624.26/x
  3. Step 3: Cross multiply
    652.34x = 979.59 × 624.26
  4. Step 4: Simplify right side
    652.34x = 611,518.85
  5. Step 5: Solve for x
    x = 611,518.85/652.34
  6. Step 6: Final answer
    x = 937.42

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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.