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Finding the Fourth Proportional to 368.94, 555.94 and 305.37

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Solution

The fourth proportional to 368.94, 555.94 and 305.37 is: 460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.94 : 555.94 = 305.37 : x
  2. Step 2: Convert to fraction form
    368.94/555.94 = 305.37/x
  3. Step 3: Cross multiply
    368.94x = 555.94 × 305.37
  4. Step 4: Simplify right side
    368.94x = 169,767.40
  5. Step 5: Solve for x
    x = 169,767.40/368.94
  6. Step 6: Final answer
    x = 460.15

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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.