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Finding the Fourth Proportional to 556.97, 835.65 and 248.86

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Solution

The fourth proportional to 556.97, 835.65 and 248.86 is: 373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.97 : 835.65 = 248.86 : x
  2. Step 2: Convert to fraction form
    556.97/835.65 = 248.86/x
  3. Step 3: Cross multiply
    556.97x = 835.65 × 248.86
  4. Step 4: Simplify right side
    556.97x = 207,956.20
  5. Step 5: Solve for x
    x = 207,956.20/556.97
  6. Step 6: Final answer
    x = 373.37

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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.