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Finding the Fourth Proportional to 592.49, 887.48 and 386.14

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Solution

The fourth proportional to 592.49, 887.48 and 386.14 is: 578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.49 : 887.48 = 386.14 : x
  2. Step 2: Convert to fraction form
    592.49/887.48 = 386.14/x
  3. Step 3: Cross multiply
    592.49x = 887.48 × 386.14
  4. Step 4: Simplify right side
    592.49x = 342,692.49
  5. Step 5: Solve for x
    x = 342,692.49/592.49
  6. Step 6: Final answer
    x = 578.40

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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.