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Finding the Fourth Proportional to 560.87, 842.62 and 529.79

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Solution

The fourth proportional to 560.87, 842.62 and 529.79 is: 795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.87 : 842.62 = 529.79 : x
  2. Step 2: Convert to fraction form
    560.87/842.62 = 529.79/x
  3. Step 3: Cross multiply
    560.87x = 842.62 × 529.79
  4. Step 4: Simplify right side
    560.87x = 446,406.11
  5. Step 5: Solve for x
    x = 446,406.11/560.87
  6. Step 6: Final answer
    x = 795.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.