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Finding the Fourth Proportional to 522.47, 777.56 and 503.03

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Solution

The fourth proportional to 522.47, 777.56 and 503.03 is: 748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.47 : 777.56 = 503.03 : x
  2. Step 2: Convert to fraction form
    522.47/777.56 = 503.03/x
  3. Step 3: Cross multiply
    522.47x = 777.56 × 503.03
  4. Step 4: Simplify right side
    522.47x = 391,135.44
  5. Step 5: Solve for x
    x = 391,135.44/522.47
  6. Step 6: Final answer
    x = 748.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.