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Finding the Fourth Proportional to 577.07, 868.76 and 526.04

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Solution

The fourth proportional to 577.07, 868.76 and 526.04 is: 791.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.07 : 868.76 = 526.04 : x
  2. Step 2: Convert to fraction form
    577.07/868.76 = 526.04/x
  3. Step 3: Cross multiply
    577.07x = 868.76 × 526.04
  4. Step 4: Simplify right side
    577.07x = 456,995.54
  5. Step 5: Solve for x
    x = 456,995.54/577.07
  6. Step 6: Final answer
    x = 791.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.