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Finding the Fourth Proportional to 556.91, 835.37 and 374.66

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Solution

The fourth proportional to 556.91, 835.37 and 374.66 is: 561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.91 : 835.37 = 374.66 : x
  2. Step 2: Convert to fraction form
    556.91/835.37 = 374.66/x
  3. Step 3: Cross multiply
    556.91x = 835.37 × 374.66
  4. Step 4: Simplify right side
    556.91x = 312,973.67
  5. Step 5: Solve for x
    x = 312,973.67/556.91
  6. Step 6: Final answer
    x = 561.99

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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.