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Finding the Fourth Proportional to 560.66, 836.26 and 522.39

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Solution

The fourth proportional to 560.66, 836.26 and 522.39 is: 779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.66 : 836.26 = 522.39 : x
  2. Step 2: Convert to fraction form
    560.66/836.26 = 522.39/x
  3. Step 3: Cross multiply
    560.66x = 836.26 × 522.39
  4. Step 4: Simplify right side
    560.66x = 436,852.56
  5. Step 5: Solve for x
    x = 436,852.56/560.66
  6. Step 6: Final answer
    x = 779.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.