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Finding the Fourth Proportional to 566.45, 782.93 and 522.71

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Solution

The fourth proportional to 566.45, 782.93 and 522.71 is: 722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.45 : 782.93 = 522.71 : x
  2. Step 2: Convert to fraction form
    566.45/782.93 = 522.71/x
  3. Step 3: Cross multiply
    566.45x = 782.93 × 522.71
  4. Step 4: Simplify right side
    566.45x = 409,245.34
  5. Step 5: Solve for x
    x = 409,245.34/566.45
  6. Step 6: Final answer
    x = 722.47

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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.