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Finding the Fourth Proportional to 557.07, 835.73 and 297.24

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Solution

The fourth proportional to 557.07, 835.73 and 297.24 is: 445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.07 : 835.73 = 297.24 : x
  2. Step 2: Convert to fraction form
    557.07/835.73 = 297.24/x
  3. Step 3: Cross multiply
    557.07x = 835.73 × 297.24
  4. Step 4: Simplify right side
    557.07x = 248,412.39
  5. Step 5: Solve for x
    x = 248,412.39/557.07
  6. Step 6: Final answer
    x = 445.93

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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.