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Finding the Fourth Proportional to 559.66, 840.02 and 556.62

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Solution

The fourth proportional to 559.66, 840.02 and 556.62 is: 835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.66 : 840.02 = 556.62 : x
  2. Step 2: Convert to fraction form
    559.66/840.02 = 556.62/x
  3. Step 3: Cross multiply
    559.66x = 840.02 × 556.62
  4. Step 4: Simplify right side
    559.66x = 467,573.86
  5. Step 5: Solve for x
    x = 467,573.86/559.66
  6. Step 6: Final answer
    x = 835.46

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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.