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Finding the Fourth Proportional to 559.15, 838.58 and 467.19

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Solution

The fourth proportional to 559.15, 838.58 and 467.19 is: 700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.15 : 838.58 = 467.19 : x
  2. Step 2: Convert to fraction form
    559.15/838.58 = 467.19/x
  3. Step 3: Cross multiply
    559.15x = 838.58 × 467.19
  4. Step 4: Simplify right side
    559.15x = 391,777.53
  5. Step 5: Solve for x
    x = 391,777.53/559.15
  6. Step 6: Final answer
    x = 700.66

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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.