Home / 557.02-835.26-268.12

Finding the Fourth Proportional to 557.02, 835.26 and 268.12

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Solution

The fourth proportional to 557.02, 835.26 and 268.12 is: 402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.02 : 835.26 = 268.12 : x
  2. Step 2: Convert to fraction form
    557.02/835.26 = 268.12/x
  3. Step 3: Cross multiply
    557.02x = 835.26 × 268.12
  4. Step 4: Simplify right side
    557.02x = 223,949.91
  5. Step 5: Solve for x
    x = 223,949.91/557.02
  6. Step 6: Final answer
    x = 402.05

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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.