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Finding the Fourth Proportional to 590.84, 885.87 and 282.68

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Solution

The fourth proportional to 590.84, 885.87 and 282.68 is: 423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.84 : 885.87 = 282.68 : x
  2. Step 2: Convert to fraction form
    590.84/885.87 = 282.68/x
  3. Step 3: Cross multiply
    590.84x = 885.87 × 282.68
  4. Step 4: Simplify right side
    590.84x = 250,421.01
  5. Step 5: Solve for x
    x = 250,421.01/590.84
  6. Step 6: Final answer
    x = 423.84

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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.