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Finding the Fourth Proportional to 562.07, 770.30 and 554.82

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Solution

The fourth proportional to 562.07, 770.30 and 554.82 is: 760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.07 : 770.30 = 554.82 : x
  2. Step 2: Convert to fraction form
    562.07/770.30 = 554.82/x
  3. Step 3: Cross multiply
    562.07x = 770.30 × 554.82
  4. Step 4: Simplify right side
    562.07x = 427,375.07
  5. Step 5: Solve for x
    x = 427,375.07/562.07
  6. Step 6: Final answer
    x = 760.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.