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Finding the Fourth Proportional to 368.00, 507.84 and 202.22

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Solution

The fourth proportional to 368.00, 507.84 and 202.22 is: 279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.00 : 507.84 = 202.22 : x
  2. Step 2: Convert to fraction form
    368.00/507.84 = 202.22/x
  3. Step 3: Cross multiply
    368.00x = 507.84 × 202.22
  4. Step 4: Simplify right side
    368.00x = 102,694.39
  5. Step 5: Solve for x
    x = 102,694.39/368.00
  6. Step 6: Final answer
    x = 279.06

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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.