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Finding the Fourth Proportional to 488.68, 733.01 and 283.11

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Solution

The fourth proportional to 488.68, 733.01 and 283.11 is: 424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.68 : 733.01 = 283.11 : x
  2. Step 2: Convert to fraction form
    488.68/733.01 = 283.11/x
  3. Step 3: Cross multiply
    488.68x = 733.01 × 283.11
  4. Step 4: Simplify right side
    488.68x = 207,522.46
  5. Step 5: Solve for x
    x = 207,522.46/488.68
  6. Step 6: Final answer
    x = 424.66

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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.