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Finding the Fourth Proportional to 401.40, 602.34 and 184.98

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Solution

The fourth proportional to 401.40, 602.34 and 184.98 is: 277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    401.40 : 602.34 = 184.98 : x
  2. Step 2: Convert to fraction form
    401.40/602.34 = 184.98/x
  3. Step 3: Cross multiply
    401.40x = 602.34 × 184.98
  4. Step 4: Simplify right side
    401.40x = 111,420.85
  5. Step 5: Solve for x
    x = 111,420.85/401.40
  6. Step 6: Final answer
    x = 277.58

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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.