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Finding the Fourth Proportional to 557.04, 835.44 and 374.64

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Solution

The fourth proportional to 557.04, 835.44 and 374.64 is: 561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.04 : 835.44 = 374.64 : x
  2. Step 2: Convert to fraction form
    557.04/835.44 = 374.64/x
  3. Step 3: Cross multiply
    557.04x = 835.44 × 374.64
  4. Step 4: Simplify right side
    557.04x = 312,989.24
  5. Step 5: Solve for x
    x = 312,989.24/557.04
  6. Step 6: Final answer
    x = 561.88

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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.