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Finding the Fourth Proportional to 266.04, 368.01 and 222.30

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Solution

The fourth proportional to 266.04, 368.01 and 222.30 is: 307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.04 : 368.01 = 222.30 : x
  2. Step 2: Convert to fraction form
    266.04/368.01 = 222.30/x
  3. Step 3: Cross multiply
    266.04x = 368.01 × 222.30
  4. Step 4: Simplify right side
    266.04x = 81,808.62
  5. Step 5: Solve for x
    x = 81,808.62/266.04
  6. Step 6: Final answer
    x = 307.50

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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.