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Finding the Fourth Proportional to 592.42, 888.60 and 419.84

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Solution

The fourth proportional to 592.42, 888.60 and 419.84 is: 629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.42 : 888.60 = 419.84 : x
  2. Step 2: Convert to fraction form
    592.42/888.60 = 419.84/x
  3. Step 3: Cross multiply
    592.42x = 888.60 × 419.84
  4. Step 4: Simplify right side
    592.42x = 373,069.82
  5. Step 5: Solve for x
    x = 373,069.82/592.42
  6. Step 6: Final answer
    x = 629.74

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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.