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Finding the Fourth Proportional to 652.20, 975.87 and 362.22

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Solution

The fourth proportional to 652.20, 975.87 and 362.22 is: 541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.20 : 975.87 = 362.22 : x
  2. Step 2: Convert to fraction form
    652.20/975.87 = 362.22/x
  3. Step 3: Cross multiply
    652.20x = 975.87 × 362.22
  4. Step 4: Simplify right side
    652.20x = 353,479.63
  5. Step 5: Solve for x
    x = 353,479.63/652.20
  6. Step 6: Final answer
    x = 541.98

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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.