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Finding the Fourth Proportional to 592.70, 888.50 and 383.90

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Solution

The fourth proportional to 592.70, 888.50 and 383.90 is: 575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.70 : 888.50 = 383.90 : x
  2. Step 2: Convert to fraction form
    592.70/888.50 = 383.90/x
  3. Step 3: Cross multiply
    592.70x = 888.50 × 383.90
  4. Step 4: Simplify right side
    592.70x = 341,095.15
  5. Step 5: Solve for x
    x = 341,095.15/592.70
  6. Step 6: Final answer
    x = 575.49

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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.