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Finding the Fourth Proportional to 577.69, 795.58 and 525.80

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Solution

The fourth proportional to 577.69, 795.58 and 525.80 is: 724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.69 : 795.58 = 525.80 : x
  2. Step 2: Convert to fraction form
    577.69/795.58 = 525.80/x
  3. Step 3: Cross multiply
    577.69x = 795.58 × 525.80
  4. Step 4: Simplify right side
    577.69x = 418,315.96
  5. Step 5: Solve for x
    x = 418,315.96/577.69
  6. Step 6: Final answer
    x = 724.12

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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.