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Finding the Fourth Proportional to 564.68, 780.22 and 466.36

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Solution

The fourth proportional to 564.68, 780.22 and 466.36 is: 644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.68 : 780.22 = 466.36 : x
  2. Step 2: Convert to fraction form
    564.68/780.22 = 466.36/x
  3. Step 3: Cross multiply
    564.68x = 780.22 × 466.36
  4. Step 4: Simplify right side
    564.68x = 363,863.40
  5. Step 5: Solve for x
    x = 363,863.40/564.68
  6. Step 6: Final answer
    x = 644.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.