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Finding the Fourth Proportional to 559.77, 841.04 and 528.69

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Solution

The fourth proportional to 559.77, 841.04 and 528.69 is: 794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.77 : 841.04 = 528.69 : x
  2. Step 2: Convert to fraction form
    559.77/841.04 = 528.69/x
  3. Step 3: Cross multiply
    559.77x = 841.04 × 528.69
  4. Step 4: Simplify right side
    559.77x = 444,646.79
  5. Step 5: Solve for x
    x = 444,646.79/559.77
  6. Step 6: Final answer
    x = 794.34

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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.