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Finding the Fourth Proportional to 575.84, 793.60 and 482.60

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Solution

The fourth proportional to 575.84, 793.60 and 482.60 is: 665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.84 : 793.60 = 482.60 : x
  2. Step 2: Convert to fraction form
    575.84/793.60 = 482.60/x
  3. Step 3: Cross multiply
    575.84x = 793.60 × 482.60
  4. Step 4: Simplify right side
    575.84x = 382,991.36
  5. Step 5: Solve for x
    x = 382,991.36/575.84
  6. Step 6: Final answer
    x = 665.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.