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Finding the Fourth Proportional to 572.98, 785.55 and 562.60

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Solution

The fourth proportional to 572.98, 785.55 and 562.60 is: 771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.98 : 785.55 = 562.60 : x
  2. Step 2: Convert to fraction form
    572.98/785.55 = 562.60/x
  3. Step 3: Cross multiply
    572.98x = 785.55 × 562.60
  4. Step 4: Simplify right side
    572.98x = 441,950.43
  5. Step 5: Solve for x
    x = 441,950.43/572.98
  6. Step 6: Final answer
    x = 771.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.