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Finding the Fourth Proportional to 591.90, 887.20 and 283.50

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Solution

The fourth proportional to 591.90, 887.20 and 283.50 is: 424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.90 : 887.20 = 283.50 : x
  2. Step 2: Convert to fraction form
    591.90/887.20 = 283.50/x
  3. Step 3: Cross multiply
    591.90x = 887.20 × 283.50
  4. Step 4: Simplify right side
    591.90x = 251,521.20
  5. Step 5: Solve for x
    x = 251,521.20/591.90
  6. Step 6: Final answer
    x = 424.94

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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.