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Finding the Fourth Proportional to 652.11, 977.94 and 575.16

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Solution

The fourth proportional to 652.11, 977.94 and 575.16 is: 862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.11 : 977.94 = 575.16 : x
  2. Step 2: Convert to fraction form
    652.11/977.94 = 575.16/x
  3. Step 3: Cross multiply
    652.11x = 977.94 × 575.16
  4. Step 4: Simplify right side
    652.11x = 562,471.97
  5. Step 5: Solve for x
    x = 562,471.97/652.11
  6. Step 6: Final answer
    x = 862.54

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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.