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Finding the Fourth Proportional to 379.99, 566.05 and 368.51

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Solution

The fourth proportional to 379.99, 566.05 and 368.51 is: 548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.99 : 566.05 = 368.51 : x
  2. Step 2: Convert to fraction form
    379.99/566.05 = 368.51/x
  3. Step 3: Cross multiply
    379.99x = 566.05 × 368.51
  4. Step 4: Simplify right side
    379.99x = 208,595.09
  5. Step 5: Solve for x
    x = 208,595.09/379.99
  6. Step 6: Final answer
    x = 548.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.