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Finding the Fourth Proportional to 368.53, 555.44 and 364.88

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Solution

The fourth proportional to 368.53, 555.44 and 364.88 is: 549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.53 : 555.44 = 364.88 : x
  2. Step 2: Convert to fraction form
    368.53/555.44 = 364.88/x
  3. Step 3: Cross multiply
    368.53x = 555.44 × 364.88
  4. Step 4: Simplify right side
    368.53x = 202,668.95
  5. Step 5: Solve for x
    x = 202,668.95/368.53
  6. Step 6: Final answer
    x = 549.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.