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Finding the Fourth Proportional to 592.16, 887.40 and 490.68

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Solution

The fourth proportional to 592.16, 887.40 and 490.68 is: 735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.16 : 887.40 = 490.68 : x
  2. Step 2: Convert to fraction form
    592.16/887.40 = 490.68/x
  3. Step 3: Cross multiply
    592.16x = 887.40 × 490.68
  4. Step 4: Simplify right side
    592.16x = 435,429.43
  5. Step 5: Solve for x
    x = 435,429.43/592.16
  6. Step 6: Final answer
    x = 735.32

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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.