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Finding the Fourth Proportional to 592.08, 891.66 and 520.72

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Solution

The fourth proportional to 592.08, 891.66 and 520.72 is: 784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.08 : 891.66 = 520.72 : x
  2. Step 2: Convert to fraction form
    592.08/891.66 = 520.72/x
  3. Step 3: Cross multiply
    592.08x = 891.66 × 520.72
  4. Step 4: Simplify right side
    592.08x = 464,305.20
  5. Step 5: Solve for x
    x = 464,305.20/592.08
  6. Step 6: Final answer
    x = 784.19

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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.