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Finding the Fourth Proportional to 575.08, 799.13 and 569.16

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Solution

The fourth proportional to 575.08, 799.13 and 569.16 is: 790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.08 : 799.13 = 569.16 : x
  2. Step 2: Convert to fraction form
    575.08/799.13 = 569.16/x
  3. Step 3: Cross multiply
    575.08x = 799.13 × 569.16
  4. Step 4: Simplify right side
    575.08x = 454,832.83
  5. Step 5: Solve for x
    x = 454,832.83/575.08
  6. Step 6: Final answer
    x = 790.90

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.