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Finding the Fourth Proportional to 652.96, 978.82 and 241.99

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Solution

The fourth proportional to 652.96, 978.82 and 241.99 is: 362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.96 : 978.82 = 241.99 : x
  2. Step 2: Convert to fraction form
    652.96/978.82 = 241.99/x
  3. Step 3: Cross multiply
    652.96x = 978.82 × 241.99
  4. Step 4: Simplify right side
    652.96x = 236,858.55
  5. Step 5: Solve for x
    x = 236,858.55/652.96
  6. Step 6: Final answer
    x = 362.75

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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.