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Finding the Fourth Proportional to 575.60, 794.48 and 482.18

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Solution

The fourth proportional to 575.60, 794.48 and 482.18 is: 665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.60 : 794.48 = 482.18 : x
  2. Step 2: Convert to fraction form
    575.60/794.48 = 482.18/x
  3. Step 3: Cross multiply
    575.60x = 794.48 × 482.18
  4. Step 4: Simplify right side
    575.60x = 383,075.98
  5. Step 5: Solve for x
    x = 383,075.98/575.60
  6. Step 6: Final answer
    x = 665.53

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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.