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Finding the Fourth Proportional to 577.15, 868.85 and 526.93

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Solution

The fourth proportional to 577.15, 868.85 and 526.93 is: 793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.15 : 868.85 = 526.93 : x
  2. Step 2: Convert to fraction form
    577.15/868.85 = 526.93/x
  3. Step 3: Cross multiply
    577.15x = 868.85 × 526.93
  4. Step 4: Simplify right side
    577.15x = 457,821.58
  5. Step 5: Solve for x
    x = 457,821.58/577.15
  6. Step 6: Final answer
    x = 793.24

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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.